The invention relates to a multifunctional sleep assisting 
system and a sleep assisting method thereof, which are designed aiming to the technical problems that the traditional humidifier or 
bed body has a single function and a 
combined use of both of the humidifier and the 
bed body is not convenient. A 
bed body of the 
system comprises a bed board, a bed 
tail and a 
bed rest. The bed body is equipped with 
mood light devices, a control device, a bedside lamp, a humidifying device, an audible device, an air adjusting and circulating device and a remote controller, and is characterized by comprising the following main points: the bedside lamp is arranged at the corner at one side of the 
bed rest of the bed body; the humidifying device is arranged at the bottom part of the 
bed rest; the control device is arranged at the bed rest; the 
mood light devices are arranged on the bed rest and the bed 
tail of the bed body, respectively; the audible device is arranged at the bed 
tail of the bed body; a 
computer control system is arranged in the bed rest; and the control end of the humidifying device, the 
mood light devices, the audible device and the control device are connected with the 
computer control system which is arranged in the bed rest, respectively. The multifunctional sleep assisting system, provided by the invention, has characteristics of reasonable design, simple structure and convenience in use, is simple and practical for assisting sleep, and is further applicable to assistance to living and sleep in 
family life and in spaces, such as hotels and the like.