Smart Sleep Induction System
The smart sleep induction system combines ASMR sounds with body massage and sleep state monitoring to induce and maintain deep sleep by adjusting stimuli based on sound frequency and sleep stages.
Patent Information
- Application Number
- JP2025508967
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-10-26
- Filing Date
- 2024-08-13
- Publication Date
- 2025-12-09
AI Technical Summary
Existing sleep induction systems do not effectively combine auditory and physical stimuli to induce deep sleep.
A smart sleep induction system that integrates a smart massager with a massage unit and a user application, using ASMR sounds synchronized with body massage to adjust pressure and vibration based on sound frequency, and a wearable device to monitor sleep states for volume and massage adjustments.
The system effectively induces sleep and deep sleep by synchronizing ASMR sounds with body massage, adjusting stimuli according to sleep states, ensuring uninterrupted and deep sleep.
Smart Images

Figure 2025539684000001_ABST
Abstract
Description
[Technical Field]
[0001] The present invention relates to a system for inducing sleep in a user. [Background technology]
[0002] Korean Patent Publication No. 10-2260010 discloses an AI-based music source provision system for improving sleep quality. To improve users' sleep quality, the system inputs sleep-related user data using a standardized questionnaire method, and uses machine learning (unsupervised learning) to divide the test subjects into four groups based on their risk of sleep disorders. It then uses an AI algorithm to provide users with music composed using a combination of ASMR music and poetry recitation, and measures the user's brain waves to resolve their sleep disorders in real time. Summary of the Invention [Problem to be solved by the invention]
[0003] The object of the present invention is to provide a method for inducing a user to sleep and achieve deep sleep by adding a massage function to an ASMR sound source. [Means for solving the problem]
[0004] A smart sleep induction system according to one embodiment includes a smart massager including a massage unit that applies pressure to a user's body, and a user application that runs on a mobile device and plays ASMR sound for sleep induction. The smart massager further includes a sound source receiving unit that receives the ASMR sound played on the mobile device, a sound source analyzing unit that analyzes the frequency of the received sound source, and a massage control unit that controls the massage unit to change the pressure on the body according to the analyzed frequency. The massage unit includes a vibrator massage unit including one or more vibrators for vibration massage. The massage control unit increases the vibration frequency and decreases the vibration intensity when the sound source frequency is high compared to when it is low, and decreases the vibration frequency and increases the vibration intensity when the sound source frequency is low compared to when it is high.
[0005] The smart sleep guidance system further includes a wearable device for measuring the user's sleep state. The user application adjusts the volume of the audio source being played back from a default volume level to a first volume level when it is determined through the wearable device that the user has switched from an awake state to a rapid eye movement (REM) sleep state, adjusts the volume of the audio source being played back to a second volume level when it is determined that the user has switched from the REM sleep state to a non-rapid eye movement (NREM) sleep state, and ends the playback of the audio source when it is determined that the user has entered a slow wave sleep state within the non-REM sleep state.
[0006] The smart massager is composed of a pillow including an occipital support part 10 on which the user's occipital head rests, and a cervical support part 30 that extends downward from the occipital support part 10 and supports the user's cervical vertebrae. The massage part 210 includes a vibrator massage part 211 that is provided inside the occipital support part 10 and is made up of a vibration pad 40 on which multiple vibrators are arranged two-dimensionally, and a shiatsu ball massage part 212 that is provided inside the cervical support part 30 and includes multiple shiatsu balls 51.
[0007] The shiatsu ball massage section 212 includes a first shiatsu section 212a and a second shiatsu section 212b that are placed on either side of the cervical vertebrae of a user lying on their back. The first shiatsu section 212a and the second shiatsu section 212b each have a shape similar to a truncated cone, have a plurality of shiatsu balls 51 arranged circumferentially on their sides, and include a shiatsu module 50 that rotates around a central axis that forms the height direction. [Effects of the Invention]
[0008] According to the present invention, by combining ASMR sound sources with body massage, it is possible to induce sleep in the user and induce deep sleep. [Brief explanation of the drawings]
[0009] [Figure 1] FIG. 1 is a block diagram illustrating a smart sleep guidance system according to one embodiment. [Figure 2] 1 is a perspective view showing a smart massager according to an embodiment; [Figure 3] 1 is a plan view showing a smart massager according to an embodiment; [Figure 4] 1 is an exemplary view showing a state in which a user's head and neck are placed on a smart massager according to an embodiment. [Figure 5] 1 is a plan view showing the structure of a shiatsu ball massage unit applied to a smart massager according to an embodiment; [Figure 6] 1 is a front view showing the structure of a shiatsu ball massage unit applied to a smart massager according to an embodiment; [Figure 7] 10 is an exemplary view showing an example in which an acupressure module of an acupressure ball massage unit applied to a smart massager according to an embodiment is expanded; FIG. [Figure 8] 1 is an exemplary diagram showing that earphones and a mobile terminal can be connected to a smart massager according to an embodiment. DETAILED DESCRIPTION OF THE INVENTION
[0010] The above and following embodiments of the present invention will become apparent from the following detailed description of preferred embodiments with reference to the accompanying drawings. The present invention will be described in detail below based on such embodiments so that those skilled in the art can easily understand and carry out the present invention.
[0011] FIG. 1 is a block diagram showing a smart sleep induction system according to an embodiment, and the smart sleep induction system includes at least a portion of the components shown in FIG. 1. A mobile terminal 100 is a computing device capable of mobile communication, such as a smartphone. A user application 110 is installed and executed on the mobile terminal 100, and the user application 110 plays and outputs ASMR (autonomous sensory meridian response) sound sources for inducing sleep for the user. ASMR sound sources refer to all sound sources used for various purposes, such as mental stability, stress relief, sleep, and meditation, and may also refer specifically to sound sources used for sleep.
[0012] The smart massager 200 stimulates the user's body by playing ASMR sound sources to relax the muscles, thereby inducing sleep and encouraging deep, sound sleep. The wearable device 300 is worn by the user, and may be, for example, a smart watch. The wearable device 300 may include an acceleration sensor, a three-axis gyroscope sensor, an optical heart rate sensor, and the like, and can measure the user's sleep state based on signals sensed by these sensors. As is well known, sleep states are classified into rapid eye movement (REM) sleep and non-rapid eye movement (NREM) sleep, and non-REM sleep is further divided into stages 1 to 4. Non-REM sleep also includes a stage called slow wave sleep, which corresponds to stages 3 to 4. Since it is well known to use the wearable device 300 to measure whether the user is awake or asleep, and if asleep, whether the user is in REM sleep or non-REM sleep, and if in non-REM sleep, whether the user has entered slow-wave sleep, detailed description thereof will be omitted. In addition, the wearable device 300 can also measure the user's stress level, which is also well known as sleep measurement.
[0013] Returning to the description of the smart massager 200, as shown in FIG. 1 , the smart massager 200 includes a massage unit 210, a sound source receiving unit 220, and a control unit 240, and may further include a data communication unit 230. The massage unit 210 applies pressure to the user's body to relax muscles. The massage unit 210 includes a vibrator massage unit 211 that applies pressure to body parts of the user by vibrating one or more vibrators, and may further include an acupressure ball massage unit 212 that applies pressure to body parts of the user using one or more acupressure balls. In one embodiment, the vibrator massage unit 211 massages the user's occipital region, and the acupressure ball massage unit 212 massages the user's upper trapezius muscles. These may be configured as an integrated unit, but are configured to massage a wide area, including the shoulders and neck, while being pillow-shaped to facilitate comfortable sleep and avoid disturbance to sleep. This will be described later.
[0014] The sound source receiving unit 220 receives an ASMR sound source played by the user application 110 of the mobile terminal 100. In one embodiment, the sound source receiving unit 220 is configured to receive the sound of the sound source output from the speaker of the mobile terminal 100 using a microphone. In another embodiment, the sound source receiving unit 220 is a wired interface that is connected to the mobile terminal 100 via a wire and receives the playback sound source from the mobile terminal 100. In this case, the smart massager 200 may output the playback sound source received through the wired interface to the user through audio output means (such as a speaker or earphones) provided in the massager itself. The data communication unit 230 is configured to transmit and receive data to and from the mobile terminal 100 via short-range wireless communication, such as a Bluetooth (registered trademark) module.
[0015] The control unit 240 is a controller that controls the overall operation of the smart massager 200 and includes a sound source analysis unit 241 and a massage control unit 242. The sound source analysis unit 241 analyzes the frequency of a received sound source. Since sound source frequency analysis technology is well known, a detailed description thereof will be omitted. The massage control unit 242 controls the massage unit 210 to apply pressure to the user's body, and controls the pressure to be applied to the body so that it varies depending on the frequency analyzed by the sound source analysis unit 241. For example, the control may be performed by changing the strength of the pressure or the period of vibration. The smart massager 200 may also control the vibrator massage unit 211 and the vibration ball massage unit 210 simultaneously.
[0016] The control of the massage control unit 242 over the vibrator massage unit 211 will now be described in detail. In one embodiment, the massage control unit 242 controls the vibration frequency to be higher and the vibration intensity to be lower when the sound source frequency analyzed by the sound source analysis unit 241 falls within a predetermined high frequency band compared to when it falls within a low frequency band, and controls the vibration frequency to be lower and the vibration intensity to be higher when the sound source frequency falls within a predetermined low frequency band compared to when it falls within a high frequency band. This is because synchronizing auditory stimulation and physical stimulation to some extent helps regulate the user's biological rhythm and induce sleep. In addition, reducing the vibration intensity instead of increasing the number of vibrations prevents excessive stimulation.
[0017] The user application 110 can control the volume level of the ASMR sound source to change depending on the user's sleep state. In one embodiment, the user application 110 performs playback processing by setting the volume level of the ASMR sound source to a default volume level when the user is awake, and performs processing to adjust the default volume level to a lower level when the user switches from the awake state to the sleep state. In other words, when the user falls asleep, this prevents sleep disturbance due to the volume of the sound and allows the user to maintain sleep at an appropriate volume.
[0018] In a specific embodiment, the user application 110 adjusts the volume of the playback sound source from the default volume level to a first volume level when it is determined that the user has switched from an awake state to a REM sleep state, and adjusts the volume of the playback sound source from the first volume level to a second volume level when it is determined that the user has switched from a REM sleep state to a non-REM sleep state. Furthermore, when it is determined that the user has entered a slow-wave sleep state after switching to the non-REM sleep state, it terminates the playback of the ASMR sound source. That is, the volume of the sound source is gradually reduced according to the user's sleep state, and playback of the sound source is terminated when the user enters a deep sleep state. This is expected to lead to more effective and deep sleep.
[0019] In another embodiment, the sound source analysis unit 241 measures the decibels of the sound source received by the sound source receiving unit 220. If the measured decibels are within a first volume level range, the massage control unit 242 determines that the user's state has switched from an awake state to an REM sleep state and adjusts the vibration intensity of the vibrator massage unit 211 to be lowered. If the measured decibels are within a second volume level range, the massage control unit 242 determines that the user's state has switched from an REM sleep state to an NREM sleep state and adjusts the vibration intensity of the vibrator massage unit 211 to be lowered. If the massage control unit 242 no longer receives a sound source from the sound source receiving unit 220, the massage control unit 242 determines that the user has entered a slow-wave sleep state and deactivates the vibrator massage unit 211, i.e., stops driving the vibrator. With the above configuration, the stimulation can be gradually reduced according to the depth of the user's sleep, thereby allowing the user to sleep soundly.
[0020] In one embodiment, the vibrator massage unit 211 has a plurality of vibrators arranged two-dimensionally to perform a vibration massage on the user's back of the head. The massage control unit 242 may drive and control some or all of the vibrators of the vibrator massage unit 211 to increase or decrease the massage area of the back of the head. For example, when the user is awake, the massage control unit 242 activates all of the vibrators of the vibrator massage unit 211 to maximize the massage area of the back of the head, and when the user switches from the awake state to the REM sleep state, the massage control unit 242 deactivates some of the vibrators to reduce the massage area of the back of the head. When the user switches from the REM sleep state to the non-REM sleep state, the massage control unit 242 deactivates some of the activated vibrators to further reduce the massage area of the back of the head, and when it is confirmed that the user has entered a slow-wave sleep state, the massage control unit 242 deactivates all activated vibrators to terminate the massage of the back of the head.
[0021] In addition, when playing an ASMR sound source, the user application 110 can transmit frequency characteristic information of the ASMR sound source to the smart massage machine 200 using short-range wireless communication technology. Therefore, the user application 110 may analyze the frequency characteristics of the ASMR sound source during playback or in advance. The smart massage machine 200 receives the frequency characteristic information of the ASMR sound source through the data communication unit 230, and the received frequency characteristic information may be used in the sound source analysis unit 241 to extract only the sound source played by the mobile terminal 100 from the sound received by the sound source receiving unit 220. This is to effectively separate noise when other sounds (noise) are received in addition to the ASMR sound source.
[0022] Next, the control of the massage control unit 242 over the acupressure ball massage unit 212 will be described in detail. First, the acupressure ball massage unit 212 includes a first acupressure unit 212a and a second acupressure unit 212b. The first acupressure unit 212a and the second acupressure unit 212b may be configured to contact the left upper trapezius muscle and the right upper trapezius muscle, respectively, around the cervical vertebrae of a user lying on their back. In one embodiment, the first acupressure unit 212a is arranged in a circle, but may be composed of a plurality of acupressure balls arranged in order of increasing size in one direction (e.g., counterclockwise). Conversely, the second acupressure unit 212a may be composed of a plurality of acupressure balls arranged in order of decreasing size in the other direction (e.g., clockwise). The first acupressure unit 212a and the second acupressure unit 212b may be configured to rotate in opposite directions by driving a common motor.
[0023] In one embodiment, when the sound source frequency analyzed by the sound source analysis unit 241 falls within a predetermined high frequency band, the massage control unit 242 controls the motors to rotate the first acupressure unit 212a in one direction and rotate the second acupressure unit 212b in the other direction, thereby increasing the acupressure intensity in the left upper trapezius muscle area and the right upper trapezius muscle area from the smallest to the largest acupressure ball. Conversely, when the sound source frequency analyzed by the sound source analysis unit 241 falls within a predetermined low frequency band, the massage control unit 242 controls the motors to rotate the first acupressure unit 212a in the other direction and rotate the second acupressure unit 212b in one direction, thereby decreasing the acupressure intensity in the left upper trapezius muscle area and the right upper trapezius muscle area from the largest to the smallest acupressure ball.
[0024] In another embodiment, when the user switches from an awake state to a sleeping state, the massage control unit 242 stops driving the first acupressure unit 212a and the second acupressure unit 212b. This is to stop the movement of the upper body caused by the pressure of the acupressure balls and prevent the user's sleep from being disturbed.
[0025] The smart massager 200 may also be in the form of a pillow as shown in FIGS. 2 to 4, and includes an occipital support portion 10, a temporal support portion 20, and a cervical support portion 30, for example.
[0026] The occipital support part 10 is a part on which the occipital part of the user's head rests when lying on their back, and may be flat, but is preferably recessed so that the occipital part of the user's head can be stably accommodated. The temporal support parts 20 are parts on which the temporal part of the user's head rests when lying on their side, and may be extended on both sides of the occipital support part 10 and formed flat.
[0027] The cervical support section 30 supports the cervical vertebrae of a user lying on their back or side, and is the part that comes into contact with the user's trapezius muscles. It extends downward from the occipital support section 10 and the temporal support section 20, and when the user lies on their back and looks forward, it is formed in a convex shape facing forward from the occipital support section 10 and the cervical support section 20, and induces full curvature in the cervical vertebrae of a user lying on their back.
[0028] The smart massager 200 includes a massage unit 210 that applies pressure to the user's body, and the massage unit 210 includes at least one of a vibrator massage unit 211 that applies pressure to a part of the user's body by vibrating one or more vibrators, and an acupressure ball massage unit 212 that applies pressure to a part of the user's body using one or more acupressure balls.
[0029] 3 and 4, the occipital support 10 is provided with a vibrator massage unit 211, which may be a vibration pad 40 provided inside the occipital support 10 and having a plurality of vibrators arranged two-dimensionally. The vibration pad 40 may adjust the vibration frequency and vibration intensity according to the sound source frequency analyzed by the massage control unit 242, and may also adjust the vibration range. A plurality of vibration pads 40 may be provided inside the occipital support 10, and as an example, two vibration pads 40 may be provided symmetrically on the left and right.
[0030] As another example, as shown in Figures 2 to 4, acupressure ball massage section 212 is provided inside cervical support section 30, and acupressure ball massage section 212 includes a first acupressure section 212a and a second acupressure section 212b that are placed on either side of the cervical vertebrae of a user lying on their back, and each of first acupressure section 212a and second acupressure section 212b includes a plurality of acupressure balls 51 that can apply acupressure to the trapezius muscles of the user, as shown in Figure 5.
[0031] As a specific example, as shown in Fig. 6, the first acupressure unit 212a and the second acupressure unit 212b each have a shape identical to or similar to a truncated cone and include an acupressure module 50 with a plurality of acupressure balls 51 arranged circumferentially on the side. The acupressure module 50 rotates about a central axis that defines the height direction. The acupressure modules 50 constituting the first acupressure unit 212a and the second acupressure unit 212b may be configured to rotate by receiving power from individual power means or by receiving power from the same power means. Furthermore, the acupressure modules 50 constituting the first acupressure unit 212a and the second acupressure unit 212b can rotate in the same direction, but are preferably configured to rotate in opposite directions to enhance the stimulating effect of the acupressure balls 51. For example, the acupressure module 50 of the first acupressure unit 212a rotates clockwise and the acupressure module 50 of the second acupressure unit 212b rotates counterclockwise, thereby stimulating the trapezius muscle downward, and the acupressure module 50 of the first acupressure unit 212a rotates counterclockwise and the acupressure module 50 of the second acupressure unit 212b rotates clockwise, thereby stimulating the trapezius muscle upward.
[0032] As shown in FIG. 6, the shiatsu module 50 configured to rotate in this manner preferably has a concavely curved side surface, so that the side surface of the shiatsu module 50 of the first shiatsu unit 212a and the side surface of the shiatsu module 50 of the second shiatsu unit 212b support the user's neck in a stable and comfortable state. The multiple shiatsu balls 51 provided on the side surface of such shiatsu module 50 protrude convexly from the side surface of the shiatsu module 50 and are arranged at predetermined intervals, but may be the same size or different sizes. For example, as shown in FIG. 5, the multiple shiatsu balls 51 provided on the side surface of the shiatsu module 50 of the first shiatsu unit 212a may be arranged so that their size increases in one direction (counterclockwise), and the multiple shiatsu balls 51 provided on the side surface of the shiatsu module 50 of the second shiatsu unit 212b may be arranged so that their size increases in the other direction (clockwise).
[0033] 5, the side of the acupressure module 50 equipped with the multiple acupressure balls 51 is formed with multiple support pieces 52 radially spaced apart, and as shown in FIG. 6, a finger pressure adjusting member 53 is provided inside the acupressure module 50, which moves the multiple support pieces 52 laterally in response to vertical movement. For example, the finger pressure adjusting member 53 may be formed in a truncated cone shape and move up and down within the acupressure module 50, and the inner surfaces of the multiple support pieces 52 may be formed into curved surfaces corresponding to the finger pressure adjusting member 53 that contacts it. The multiple support pieces 52 may be connected to each other and configured to move outward or inward simultaneously, or may be attached to the bottom of the acupressure module 50 so as to move outward and inward.
[0034] Therefore, as shown in FIG. 7, when the finger pressure adjusting member 53 is moved upward, the multiple support pieces 52 move outward, thereby increasing the size of the support module 50 and increasing the finger pressure from the acupressure balls 51; and when the finger pressure adjusting member 53 is moved downward, the multiple support pieces 52 move inward, thereby decreasing the size of the support module 50 and decreasing the finger pressure from the acupressure balls 51.
[0035] As shown in Figures 5 and 6, the above-mentioned acupressure module 50 may be provided with a speaker 54 on the upper stage, and an ASMR sound source for inducing sleep to the user may be output through the speaker 54. In addition to the output from the speaker 54, the smart massager 200 may be provided with an audio output terminal to which earphones are connected by wire or a Bluetooth (registered trademark) transceiver to which earphones are connected wirelessly, as shown in Figure 8, so that output may be provided through earphones. In addition, the smart massager 200 may be provided with a power terminal for supplying power to the user's mobile terminal 100, etc., as shown in Figure 8.
[0036] As mentioned above, the present invention has been described with reference to preferred embodiments. Those skilled in the art will recognize that the present invention can be modified and embodied without departing from the essential characteristics of the present invention. Therefore, the disclosed embodiments should be considered from a descriptive perspective, not a restrictive perspective. The scope of the present invention is defined by the appended claims, not the above description, and all modifications within the scope of the claims should be construed as being within the scope of the present invention.
Claims
1. A smart massager including a massage unit that applies pressure to the user's body; and a user application running on a mobile device that plays ASMR audio for sleep induction; Including, The smart massager a sound source receiving unit that receives the ASMR sound source played on the mobile terminal; a sound source analysis unit that analyzes the frequency of a received sound source; and a massage control unit that controls the massage unit in accordance with the analyzed frequency to change the pressure applied to the body; Also includes a smart sleep induction system.
2. The massage section is a vibrator massage unit including one or more vibrators for vibration massage; The smart sleep induction system of claim 1, wherein the massage control unit increases the vibration frequency and decreases the vibration intensity when the sound source frequency is high compared to when the sound source frequency is low, and decreases the vibration frequency and increases the vibration intensity when the sound source frequency is low compared to when the sound source frequency is high.
3. The device further includes a wearable device for measuring a sleep state of the user; 3. The smart sleep guidance system of claim 2, wherein the user application adjusts the volume of the reproduced sound source from a default volume level to a first volume level when it is determined through the wearable device that the user has switched from an awake state to a rapid eye movement sleep state, adjusts the volume of the reproduced sound source to be lowered from a default volume level to a first volume level when it is determined that the user has switched from the REM sleep state to a non-rapid eye movement sleep state, and terminates the reproduction of the sound source when it is determined that the user has entered a slow wave sleep state within the non-REM sleep state.
4. The sound source analysis unit measures the decibels of the playback sound source, 4. The smart sleep induction system of claim 3, wherein the massage control unit adjusts the vibration intensity to be lowered when the measured decibels are confirmed to be within a numerical range of a first volume level, adjusts the vibration intensity to be further lowered when the measured decibels are confirmed to be within a numerical range of a second volume level, and terminates driving of the vibrator when the sound source receiving unit finishes receiving the sound source.
5. the vibrator massage unit includes a plurality of vibrators arranged two-dimensionally to perform a vibration massage on the back of the user's head; The massage control unit activates all of the vibrators of the vibrator massage unit to maximize the massage area of the back of the head when the user is awake, controls some of the vibrators to a deactivated state to reduce the massage area of the back of the head when it is confirmed that the user has switched from the awake state to a REM sleep state, further controls some of the vibrators to a deactivated state to further reduce the massage area of the back of the head when it is confirmed that the user has switched from the REM sleep state to a non-REM sleep state, and controls all activated vibrators to a deactivated state to end the massage of the back of the head when it is confirmed that the user has entered a slow-wave sleep state.
6. The massage section is The massage device further includes a shiatsu ball massage unit including a first shiatsu unit including a plurality of shiatsu balls arranged in a circle so as to contact the left upper trapezius muscle and arranged so that the size increases in one direction, and a second shiatsu unit including a plurality of shiatsu balls arranged in a circle so as to contact the right upper trapezius muscle and arranged so that the size increases in the other direction, 6. The smart sleep induction system of claim 5, wherein when the sound source frequency corresponds to a high frequency, the massage control unit rotates the first acupressure unit in one direction and rotates the second acupressure unit in the other direction, thereby controlling the acupressure intensity to increase in the order from the smallest size acupressure ball to the largest size acupressure ball for the upper left trapezius muscle area and the upper right trapezius muscle area; and when the sound source frequency corresponds to a low frequency, the massage control unit rotates the first acupressure unit in the other direction and rotates the second acupressure unit in one direction, thereby controlling the acupressure intensity to decrease in the order from the largest size acupressure ball to the smallest size acupressure ball for the upper left trapezius muscle area and the upper right trapezius muscle area.
7. The smart massager is composed of a pillow including an occipital support part 10 on which the occipital area of the user's head is placed, and a cervical support part 30 extending downward from the occipital support part 10 to support the cervical vertebrae of the user.
2. The smart sleep induction system of claim 1, wherein the massage unit 210 includes a vibrator massage unit 211 provided inside the occipital support unit 10 and consisting of a vibration pad 40 on which a plurality of vibrators are arranged two-dimensionally, and an acupressure ball massage unit 212 provided inside the cervical support unit 30 and including a plurality of acupressure balls 51.
8. The acupressure ball massage unit 212 includes a first acupressure unit 212a and a second acupressure unit 212b that are arranged on either side of the cervical vertebrae of a user lying on their back.
8. The smart sleep induction system of claim 7, wherein the first acupressure unit 212a and the second acupressure unit 212b have a shape similar to a truncated cone, have a plurality of acupressure balls 51 arranged circumferentially on the side, and include an acupressure module 50 that rotates around a central axis that forms the height direction.
9. 9. The smart sleep guidance system of claim 8, wherein the acupressure module 50 constituting the first acupressure unit 212a and the acupressure module 50 constituting the second acupressure unit 212b rotate in opposite directions.
10. The acupressure balls 51 provided on the side of the acupressure module 50 have different sizes.
9. The smart sleep induction system of claim 8, wherein the plurality of acupressure balls 51 provided on the side of the acupressure module 50 constituting the first acupressure unit 212a are arranged so that their sizes increase in one direction, and the plurality of acupressure balls 51 provided on the side of the acupressure module 50 constituting the second acupressure unit 212b are arranged so that their sizes increase in the other direction.
11. 10. The smart sleep induction system of claim 8, wherein the acupressure module (50) is composed of a plurality of support pieces (52) whose sides are radially divided, and a finger pressure adjusting member (53) is provided inside the acupressure module (50) that moves up and down to move the plurality of support pieces (52) sideways, such that when the finger pressure adjusting member (53) moves upward, the plurality of support pieces (52) move outward, thereby increasing the size of the support module (50), and when the finger pressure adjusting member (53) moves downward, the plurality of support pieces (52) move inward, thereby decreasing the size of the support module (50).
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