Sleep improvement device utilizing vibration stimulation and sleep improvement method using the same

Abstract

The present invention relates to an unconstrained sleep improvement device and a sleep improvement method using the same, and more particularly to a sleep improvement device that detects biometric information from a user on a bed or mattress, determines the user's sleep state from the detected biometric information, and generates and provides stimuli to induce changes in the user's biosignals in accordance with the determined sleep state, as well as a sleep improvement method using the same.

Description

[Technical Field]

[0001] The present invention relates to a sleep improvement device and a sleep improvement method using the same, and more particularly to a device and method for inducing a sleep improvement effect by applying vibration stimulation to a user. [Background technology]

[0002] Various attempts have been made to induce deep sleep in users. Popular methods include playing soft music or generating white noise to create an environment that is conducive to sleep. However, human sleep states are unlikely to change significantly depending solely on external noise, and there are limitations to inducing deep sleep, especially when considering the user's health.

[0003] The present invention was devised in the course of research and development to effectively induce deep sleep in users, and its main purpose is to enable users to achieve deep sleep by applying vibration stimuli suited to the user. Summary of the Invention [Problem to be solved by the invention]

[0004] The present invention aims to induce a user sleeping on a mattress to enter a deep sleep state by applying vibration stimulation to the user.

[0005] Another object of the present invention is to provide a method for applying appropriate vibration stimulation to a user not only on a flat mattress but also on a foldable mattress.

[0006] In addition, the present invention aims not only to simply provide vibration stimulation, but also to adjust the parameters of the vibration stimulation to be applied by acquiring and analyzing the biosignals of a user sleeping on the mattress.

[0007] It should be noted that the technical problems of the present invention are not limited to those mentioned above, and other technical problems not mentioned will be clearly understood by those skilled in the art from the following description. [Means for solving the problem]

[0008] The present invention has been made to solve the above problems, and the sleep improvement device according to the present invention includes a plurality of layers and a vibration unit provided in any one of the plurality of layers and outputting a vibration signal, wherein the vibration unit is configured to output a vibration signal toward above the mattress.

[0009] In addition, the sleep improvement device may further include a vibration detection unit provided in any layer and configured to acquire vibration signals from the sleep improvement device or a user, and a pressure detection unit provided in any layer and configured to acquire pressure signals associated with the user's movements.

[0010] Furthermore, in the sleep improvement device, the vibration unit includes an actuator that generates vibration, the actuator abuts against the underside of a vibration plate, and the vibration plate is arranged to abut against the underside of the mattress.

[0011] The sleep improvement device may further include a vibration transmitter interposed between the vibration unit and the upper surface of the mattress for amplifying or attenuating the vibration signal.

[0012] Meanwhile, in another embodiment of the sleep improvement device of the present invention, the sleep improvement device includes at least two or more split beds, each of which includes a plurality of layers, a vibration detection unit provided in any of the plurality of layers and acquiring a vibration signal from the split bed or the user's body in contact with the split bed or the upper surface of the split bed, and a pressure detection unit provided in any of the layers and acquiring a pressure signal associated with the user's movement.

[0013] In the sleep improvement device, at least one of the plurality of split beds may further include a vibration unit that outputs a vibration signal.

[0014] The sleep improving device may also include a first split bed against which the user's back or stomach rests, and a second split bed against which the user's legs rest.

[0015] In addition, in the sleep improvement device, the first split bed can include a 1-1 vibration detection unit and a 1-1 pressure detection unit provided at an upper part of the first split bed, and a 1-2 vibration detection unit and a 1-2 pressure detection unit provided at a lower part of the first split bed.

[0016] In addition, in another embodiment of the present invention, there is provided a sleep improvement method using a sleep improvement device, wherein the sleep improvement device includes a plurality of layers and a vibration unit provided in any one of the plurality of layers and outputting a vibration signal, the vibration unit being configured to output a vibration signal toward the upper surface of the mattress, and the sleep improvement method includes a step of detecting a user's sleeping posture on a layer of the sleep improvement device, and a step of controlling the vibration unit to output a vibration signal toward the upper surface of the mattress.

[0017] Meanwhile, in another embodiment of the present invention, there is provided a sleep improvement method using a sleep improvement device, wherein the sleep improvement device includes at least two or more split beds, each of which includes a plurality of layers, a vibration detection unit provided in any of the plurality of layers and acquiring a vibration signal from the split bed or the user's body in contact with the split bed or the upper surface of the split bed, a pressure detection unit provided in any of the layers and acquiring a pressure signal associated with the user's movement, and a vibration unit included in at least one of the plurality of split beds and outputting a vibration signal, and the sleep improvement method includes the steps of detecting the presence of a user applying pressure to one of the split beds of the sleep improvement device, and controlling the vibration unit to output a vibration signal toward the area where pressure is applied by the user. [Effects of the Invention]

[0018] According to the present invention, it is possible to effectively induce a sleep state in a user by utilizing vibration stimulation.

[0019] Furthermore, according to the present invention, not only vibration stimuli but also sound stimuli can be generated, so that a wider variety of combinations of stimuli can be transmitted.

[0020] Furthermore, the present invention has the advantage that stimulation can be efficiently transmitted to suit the user's sleeping position not only on a flat type mattress but also on a foldable type mattress.

[0021] Furthermore, the present invention has the advantage of being able to generate an appropriate stimulation program based on biological signals collected from the user, thereby putting the user into a deep sleep state.

[0022] It should be noted that the effects of the present invention are not limited to those mentioned above, and other technical effects not mentioned will be clearly understood by those skilled in the art from the following description. [Brief explanation of the drawings]

[0023] [Figure 1]1 is a schematic diagram showing the configuration of a sleep improvement device according to the present invention. [Figure 2a] 10A and 10B are diagrams showing an embodiment of the structure of a vibration part. [Figure 2b] 10A and 10B are diagrams showing an embodiment of the structure of a vibration part. [Figure 3] 10A and 10B are diagrams showing an embodiment of the structure of a vibration part. [Figure 4] FIG. 1 illustrates an embodiment of a diaphragm. [Figure 5] FIG. 10 is a diagram showing a plurality of vibrating parts provided on a layer. [Figure 6] FIG. 10 is a diagram showing multiple vibration units provided on a foldable mattress. [Figure 7] 7 is a diagram showing a state in which a plurality of detectors are further provided on the mattress shown in FIG. 6. FIG. [Figure 8] 7 is a diagram showing a state in which a plurality of detectors are further provided on the mattress shown in FIG. 6. FIG. DETAILED DESCRIPTION OF THE INVENTION

[0024] The details of the objectives, technical configurations, and effects of the present invention will be more clearly understood from the following detailed description based on the drawings attached to the specification of the present invention. The embodiments of the present invention will be described in detail with reference to the attached drawings.

[0025] The embodiments disclosed in this specification should not be construed or used to limit the scope of the present invention. It is obvious to those skilled in the art that the description including the embodiments of this specification has various applications. Therefore, any embodiments described in the detailed description of the present invention are examples for more clearly explaining the present invention, and are not intended to limit the scope of the present invention to the embodiments.

[0026] The functional blocks shown in the drawings and described below are merely possible implementations. In other implementations, other functional blocks may be used without departing from the spirit and scope of the detailed description. Also, although one or more functional blocks of the present invention are shown as individual blocks, one or more functional blocks of the present invention may be various combinations of hardware and software that perform the same function.

[0027] Furthermore, a phrase that includes a certain element should be understood to be an "open" phrase, merely indicating the presence of that element, and not excluding additional elements.

[0028] Furthermore, when a component is referred to as being "coupled" or "connected" to another component, it should be understood that the component may be directly coupled or connected to the other component, but that there may be other components intervening.

[0029] [Example of a normal flat mattress]

[0030] Fig. 1 conceptually illustrates a sleep improvement device according to a first embodiment of the present invention. Referring to Fig. 1, the sleep improvement device may broadly include a layer 10, a vibration unit 20, a detection unit 30, and a calculation unit 40, and the detection unit 30 can be further divided into a vibration detection unit 301 and a pressure detection unit 302. Each component will be described in detail below for a general understanding of the sleep improvement device.

[0031] First, layer 10 may be understood as a component having a storage space in which the components described below can be placed. As long as it has a storage space, there are no limitations on the material or shape of layer 10. Layer 10 may be, for example, a mattress, or one of multiple surfaces constituting a mattress. Layer 10 may also be a mat that can be placed on a mattress, or may be a member made of wood or metal rather than a fibrous surface. As such, there are no limitations on the material or shape of layer 10 as long as it has a certain storage space. However, in the detailed description of the present invention, to facilitate understanding of the invention, it will be assumed that layer 10 is a mattress.

[0032] The vibration unit 20 is configured to generate vibration stimuli to be transmitted to a user lying on the mattress. The vibration unit 20 may be configured to output a vibration signal particularly toward the upper surface of the mattress, i.e., the surface on which the user is lying. The vibration unit 20 may also convert an electrical signal into at least one of sound energy and vibration energy and output the converted signal. In other words, the vibration unit 20 may be configured to output sound and vibration simultaneously.

[0033] Vibration stimulation can be used for a variety of purposes, such as to induce changes in the user's biological signals or to wake the user in response to alarm information.

[0034] The user's biosignal can include various signals detectable from the user, and examples of biosignals include vibration signals, pressure signals, and the like that can be detected from a user sleeping on a mattress. Inducing a change in a biosignal ultimately means stimulating the user's sympathetic or parasympathetic nervous system to activate it in a direction that improves the quality of the user's sleep. More specifically, activating the user's parasympathetic nervous system to a desired state allows the user to get a good night's sleep, and activating the user's sympathetic nervous system can induce the user to wake up at an appropriate or predetermined time.

[0035] The alarm information refers to information set by a user to output a vibration signal at a specific time point, and may include time information regarding when the vibration signal is to be output, intensity information regarding the strength of the vibration signal, or duration information regarding how continuously the vibration signal is to be output. The alarm information may also include user identification information regarding which side of the mattress the vibration signal should be output to. The user identification information may refer to information for identifying a specific user, or may refer to position information for indicating whether the vibration signal should be output to a user sleeping on the left or right side of the mattress.

[0036] A more specific structure of the vibration unit 20 will be described later in the description regarding FIG. 2, and here we will continue to describe the remaining configuration of the sleep improvement device.

[0037] The detection unit 30 is provided on the layer 10 and is configured to detect and acquire biological information from a user lying on the mattress. As described above, the detection unit 30 can include a vibration detection unit 301 and a pressure detection unit 302, each of which, as can be seen from the component names, can detect vibration signals or pressure signals felt on the mattress.

[0038] The vibration detection unit 301 is preferably embodied using PVDF (Polyvinylidene fluoride). PVDF is a piezoelectric material that generates electricity when subjected to mechanical or physical stimuli. This property can be used to detect vibration signals detected on the mattress. The vibration detection unit 301 can detect vibrations to obtain biometric information of the user, particularly at least one of ballistocardiogram, respiratory status, and movement status, or can detect vibrations caused by the output of vibration stimuli or vibration signals from the vibration unit 20. In some cases, the vibration detection unit 301 may include one disposed relatively close to the top surface of the mattress to better detect biometric signals from the user (such as ballistocardiogram), and one disposed on the layer 10 relatively closer to the vibration unit 20 to better detect vibrations from the vibration unit 20.

[0039] The input sensing unit 302 is preferably implemented as an FSR (Force Sensing Resistor) array. The FSR converts pressure into resistance, and by providing a plurality of FSRs in an array, the user's posture can be estimated by referring to the magnitude of the resistance detected on the mattress.

[0040] Finally, the calculation unit 40 controls the overall components that perform the functions of the sleep improvement device, such as the vibration unit 20 and the detection unit 30. The calculation unit 40 may be understood as a central processing unit. The central processing unit may also be called a controller, microcontroller, microprocessor, or microcomputer. The central processing unit may be implemented using hardware, firmware, software, or a combination thereof. When implemented using hardware, the central processing unit may be implemented using an application specific integrated circuit (ASIC), a digital signal processor (DSP), a digital signal processing device (DSPD), a programmable logic device (PLD), a field programmable gate array (FPGA), or the like. When implemented using firmware or software, the firmware or software may be configured to include modules, procedures, or functions that perform the functions or operations described above. The calculation unit 30 may also include a memory, which may be implemented as a ROM (Read Only Memory), RAM (Random Access Memory), EPROM (Erasable Programmable Read Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), flash memory, SRAM (Static RAM), HDD (Hard Disk Drive), SSD (Solid State Drive), etc.

[0041] 2a and 2b show the detailed structure of the vibration part 20. FIG.

[0042] Referring to FIG. 2a, the vibrating unit may be implemented with an actuator 201 in contact with the lower surface of a diaphragm 51. The actuator 201 converts an electrical signal into a vibration signal and outputs the vibration signal, essentially generating vibration. The type of actuator 201 is not limited as long as it has a structure capable of generating vibration. Preferably, the actuator 201 may be implemented as a motor capable of generating vibration, or a combination of a motor and a rotor. Referring to the drawing, the actuator 201 may be installed on the first layer 10a, and the diaphragm 51 may be provided on the surface where the first layer 10a and the second layer 10b abut, so that vibrations generated by the actuator 201 can be diffused by the diaphragm 51 and transmitted to the second layer 10b. The actuator 201 may also be implemented in various shapes. Preferably, the actuator 201 may have a cylindrical housing with a motor or other component capable of directly generating vibrations embedded therein.

[0043] 2b shows the structure of a vibration unit 20 according to another embodiment. Referring to the drawing, the vibration unit may mainly include an actuator 201 that generates vibrations, a transmission surface 203 that extends from the actuator 201 and transmits the vibrations, and an edge surface 205 that abuts against the surface of the mattress (layer) where vibrations are to be generated and transmits the vibrations from the transmission surface 203 to the surface of the layer. In addition, the vibration unit 20 may further include a frame 202 for forming a cone-shaped structure and a cap 207 for protecting the actuator 201 from being contaminated by external substances.

[0044] The transmission surface 203 provided on the top of the actuator 201 is a component for transmitting the vibration generated by the actuator 201 to another part, and is made of a material capable of transmitting a vibration signal, such as wood, metal, or silicone. The transmission surface 203 may also be conical, i.e., in the shape of a triangular pyramid or a truncated triangular pyramid. Figure 2b shows a side cross section of the vibrating unit 20, and according to this, the frame 202 and the transmission surface 203 may have a shape that expands upward from the actuator 201, or more precisely, may have a conical structure.

[0045] The edge surface 205 is a flat surface that connects the upper side of the transmission surface 203 and the upper side of the frame 202, and the edge surface 205 can abut against the inner surface of the upper surface of the mattress to transmit vibration signals from the actuator 201.

[0046] Meanwhile, a vibration transmitter 250 may be further provided on top of the actuator 201, more precisely, in the space between the vibrating plate 51 and the actuator 201. While simply placing the vibrating plate 51 on the actuator 201 is sufficient to directly transmit a vibration signal to the layer (mattress), a vibration transmitter 250 may be further provided as shown in FIG. 3 to more effectively transmit the vibration signal or change the properties of the vibration signal. Referring to FIG. 3, the vibration transmitter 250 may be formed to have the same area and shape as the area of ​​the actuator 201 when viewed from above. Preferably, the actuator 201 and the vibration transmitter 250 may be designed to be structurally bound or fitted to each other, so that the actuator 201 and the vibration transmitter 250 vibrate as a single unit. For example, the actuator 201 may have a convex cross section, and the vibration transmitter 250 may have a donut shape that can fit into the actuator 201. In addition, a ring-shaped component such as a rubber ring or a bearing may be further provided between the actuator 201 and the vibration transmitter 250 to increase or decrease the resistance of the contact surface between the actuator 201 and the vibration transmitter 250. The volume and area (area in a plan view) of the vibration transmitter 250 may be larger than those of the actuator 201, and the volume or cross-sectional area may be determined depending on the vibration properties that a designer wishes to achieve. If vibration is to be transmitted to only a local area, the vibration transmitter 250 may be designed to be smaller or equal to the area of ​​the actuator 201 in a plan view. If vibration is to be diffused over a wider area, the area of ​​the vibration transmitter 250 may be designed to be larger than that of the actuator 201. In addition, the vibration transmitter 250 may be made of the same material as the actuator 201, or may be made of a different material from the actuator 201. For example, the vibration transmitter 250 can be implemented as various materials such as wood, a solid, a polymer compound, or a fluid (for example, a vibration transmitter in the form of a fluid contained in a pouch made of a polymer compound).

[0047] Next, the diaphragm 51 will be described in more detail with reference to Fig. 4. The diaphragm 51 is provided to diffuse and transmit the vibration generated by the vibrating unit 20 over a relatively wide area. The diaphragm 51 may be made of a material different from that of the layer 10 or the actuator 201, and for example, wood, stone, metal, polymer compounds, etc. may be used as the material of the diaphragm 51.

[0048] The thickness of the diaphragm 51 varies depending on the material, but is preferably set within a range of 1 mm to 20 mm. The diaphragm 51 may be lined with a protective surface made of a separate flexible material to prevent cracks or breakage. For example, at least one of the front and back surfaces of the stone diaphragm 51 may be lined with a protective surface made of silicone, thereby minimizing cracks and breakage of the stone diaphragm 51. In addition, such a protective surface may improve the adhesive strength or surface resistance between the diaphragm 51 and the layer 10b that contacts it, thereby improving the structural stability of the diaphragm 51 and the vibrating unit 20.

[0049] The area of ​​the vibration plate 51 is determined according to the designer's intention, but is preferably determined to be equal to or larger than the area of ​​the actuator 201 in plan view and equal to or smaller than the area of ​​the mattress layer in plan view. If necessary, the vibration plate 51 may be formed wide so that its area occupies a considerable portion of the mattress, as shown in Fig. 4. In an embodiment in which the vibration plate 51 covers a considerable portion of the mattress, the covered area may be in the range of about 50% to 80% of the total area of ​​the mattress in plan view. Preferably, the vibration plate 51 does not cover the outer portions of the mattress that are difficult for the user's body to touch, thereby preventing the area of ​​the vibration plate 51 from becoming excessively large.

[0050] On the other hand, although not separately shown in the drawings, the vibration plate 51 does not necessarily have to be made of only one material. For example, by separately providing a first vibration plate on the left side where a first user sleeps and a second vibration plate on the right side where a second user sleeps, two people lying on the mattress can feel different vibration sensations. Each vibration plate is preferably provided in contact with a separate vibration unit 20, but in some cases, one vibration unit 20 may be embodied to selectively vibrate one or both of the two vibration plates. In the former case, this can be achieved by selectively contacting only the vibration plate to transmit vibrations with the vibration unit 20.

[0051] 5 shows a state in which a plurality of vibration units 21, 22, and 23 are provided in a sleep improvement device according to the present invention. Referring to the drawing, a first vibration unit 21 may be provided in the center of a mattress, and a second vibration unit 22 and a third vibration unit 23 may be provided at the upper right and upper left ends of the mattress that come into contact with the user's shoulders. The second vibration unit 22 and the third vibration unit 23 may be embodied in the same structure as the vibration unit described above with reference to FIG. 2, but are not necessarily limited thereto. That is, the second vibration unit 22 and the third vibration unit 23 may have a structure that outputs a vibration signal in a different manner from that of the first vibration unit 21.

[0052] Furthermore, the operation of the multiple vibration units can be individually controlled by control commands from the calculation unit 40, and in particular, the vibration unit to be operated, as well as the vibration strength and vibration period of the vibration unit, can be controlled in order to induce the user into a specific sleep state based on biological signals obtained from the user, or to wake the user up based on alarm information from the user.

[0053] The structure of a sleep improvement device that can utilize vibration signal output has been described above with reference to FIGS.

[0054] Figures 6 to 8 show how a vibration unit and a detection unit are provided on a foldable mattress. A foldable mattress means a mattress that can be divided into a first split bed 101, a second split bed 102, and a third split bed 103 and folded by a user, as shown in Figure 6. While the sleep improvement devices shown in Figures 1 to 5 above have been explained on the premise of a flat, non-foldable mattress, Figures 6 to 8 are based on such a foldable mattress.

[0055] In a folding mattress, the surface of the user's body that comes into contact with the top surface of the mattress can change depending on which split bed is folded and to what extent. For example, when the mattress is folded as shown in Figure 6, the user's buttocks come into closest contact with the first split bed 101, the user's shoulders come into closest contact with the second split bed 102, and the user's calves come into closest contact with the third split bed 103. When using a vibration signal to improve the user's sleep or to transmit an alarm signal as in the present invention, the vibration signal must be output to the part of the user's body that comes into closest contact on the folding mattress, and for this purpose, a vibration unit must be provided as shown in Figure 7.

[0056] 7, it can be seen that a first vibration section 21 is provided on the first divided bed 101, a second vibration section 22 is provided on the second divided bed 102, and a third vibration section 23 and a fourth vibration section 24 are provided on the third divided bed 103. The two vibration sections on the third divided bed 103 are intended to output vibration signals corresponding to the two legs (calves) of the user.

[0057] As mentioned above, the operation of each vibration unit can be controlled individually by a calculation unit (not shown), and preferably the operation can be controlled individually according to the degree to which each split bed is folded, or according to the user's sleeping or sitting posture analyzed based on biosignals obtained from the user. For example, if the degree to which each split bed is folded means that the user's body parts are not in close contact with the mattress, or if the body parts hit the surface of the mattress but do not achieve a predetermined level of contact due to gravity, there is no need to operate the vibration unit provided in that split bed, and conversely, it is sufficient to operate only the vibration unit in the split bed where the contact is at or above the predetermined level.

[0058] On the other hand, in order to estimate whether the user's body parts are in close contact with each other to a certain degree or what posture the user is in when sleeping on the folding mattress, the vibration detection unit 301 and pressure detection unit 302 as described above in FIG. 1 are further required, which can be provided as shown in FIG. 8.

[0059] 8 shows that the first division bed 101 has a first vibration detection unit 301 and a first pressure detection unit 302 at the upper end and a second vibration detection unit 303 and a second pressure detection unit 304 at the lower end, and that the third division bed 103 has a third vibration detection unit 305 and a third pressure detection unit 306 at the top. The second division bed 102 has a fourth vibration detection unit 307 and a fourth pressure detection unit 308. The second division bed 102, which supports the head, may be provided with a detection unit for detecting vibration signals due to cerebral blood flow or vibration signals detected from the face.

[0060] The sleep improvement device with a foldable mattress in Figure 8 is only one example, but through the detailed description of the present invention, it will be understood that several vibration detection units and pressure detection units can be installed on each split bed as in Figure 8.

[0061] The above describes the unconstrained sleep improvement device and the sleep improvement method using the same according to the present invention. However, the present invention is not limited to the specific embodiments and applications described above, and various modifications may be made by those skilled in the art without departing from the gist of the present invention as claimed in the claims. However, such modifications should not be understood as being distinct from the technical ideas and perspectives of the present invention.

[0062] In particular, the configurations implementing the technical features of the present invention contained in the block diagrams and flowcharts shown in the accompanying drawings of this specification imply logical boundaries between the components. However, in software or hardware embodiments, the illustrated configurations and their functions may be implemented in the form of independent software modules, monolithic software structures, code, services, or a combination thereof, and the functions may be embodied by being stored on a computer-executable medium having a processor capable of executing stored program code, instructions, etc., and therefore all such embodiments should be considered to fall within the scope of the present invention.

[0063] Therefore, although the accompanying drawings and the related description explain the technical features of the present invention, the specific arrangement of software for realizing such technical features should not be merely inferred unless explicitly stated. In other words, various embodiments as described above are possible, and these embodiments may be partially modified while having the same technical features as the present invention, and these should also be considered to fall within the scope of the present invention.

[0064] Also, while flowcharts may depict operations in a particular order, this is done to obtain the most preferred results and should not be understood as necessarily requiring such operations to be performed in the particular order or sequential order shown, or that all of the operations shown must be performed. In certain cases, multitasking and parallel processing may be advantageous. It should be understood that the separation of various system components in the above-described embodiments should not be understood as requiring such separation in all embodiments, and that the described program components and systems may generally be incorporated into a single software product or packaged into multiple software products. [Explanation of symbols]

[0065] 10 layers 20 Vibration unit 201 Actuator 202 frames 203 Conical Surface 205 Edge Face 207 Cap 250 Vibration transmitter 30 Detection unit 301 Vibration detection unit 302 Pressure detection unit 40 Arithmetic section 51 Diaphragm 101, 102, 103 Split bed 21, 22, 23 Vibration section 301, 303, 305, 307 Vibration detection unit 302, 304, 306, 308 Pressure detection unit

Claims

1. Multiple layers that make up the mattress; a vibration unit provided in any one of the plurality of layers and configured to output a vibration signal; Including, A sleep improvement device, characterized in that the vibration unit is configured to output a vibration signal toward above the mattress.

2. a vibration detection unit provided in an arbitrary layer and configured to acquire a vibration signal from the sleep improvement device or a user; a pressure detection unit provided in an arbitrary layer and adapted to acquire a pressure signal associated with a user's movement; The sleep improvement device of claim 1 , further comprising:

3. the vibration unit includes an actuator that generates vibrations, the actuator abuts against the lower surface of the diaphragm, The sleep improvement device according to claim 2 , wherein the vibration plate is provided so as to abut against the underside of the mattress.

4. The sleep improvement device according to claim 3 , further comprising a vibration transmitter interposed between the vibration unit and the upper surface of the mattress for amplifying or attenuating the vibration signal.

5. It includes at least two or more split beds, Each split bed is Multiple layers and a vibration detection unit provided in any one of the plurality of layers and configured to acquire a vibration signal from the body of a user in contact with the split bed or the upper surface of the split bed; a pressure detection unit provided in an arbitrary layer and adapted to acquire a pressure signal associated with a user's movement; sleep improvement devices, including

6. The sleep improvement device according to claim 5 , wherein at least one of the plurality of split beds further includes a vibration unit that outputs a vibration signal.

7. a first divided bed against which the user's back or stomach abuts; a second split bed against which the user's legs abut; The sleep improvement device of claim 6, comprising:

8. The first split bed is a first vibration detection unit and a first pressure detection unit provided on an upper portion of the first split bed; a first-second vibration detection unit and a first-second pressure detection unit provided under the first split bed; The sleep improvement device of claim 7, comprising:

9. A sleep improvement method using a sleep improvement device, The sleep improvement device includes: a plurality of layers; and a vibration unit provided in any one of the plurality of layers and configured to output a vibration signal, the vibration unit being configured to output the vibration signal toward an upper surface of the mattress; The sleep improvement method includes: Detecting a user's sleeping posture on a layer of the sleep improvement device; controlling the vibration unit to output a vibration signal toward the upper surface of the mattress; How to improve sleep, including:

10. A sleep improvement method using a sleep improvement device, The sleep improvement device includes at least two or more split beds, Each split bed includes a plurality of layers, a vibration detection unit provided in any of the plurality of layers and configured to acquire a vibration signal from the split bed or the user's body in contact with the split bed or the upper surface of the split bed, a pressure detection unit provided in any of the layers and configured to acquire a pressure signal accompanying the user's movement, and a vibration unit included in at least one of the plurality of split beds and configured to output a vibration signal. The sleep improvement method includes: detecting the presence of a user exerting pressure on one of the split beds of the sleep improvement device; controlling the vibration unit to output a vibration signal toward the area where the user applies pressure; How to improve sleep, including:

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