The invention discloses a multi-degree-of-freedom intelligent swinging sleep-aiding bed. The bed comprises a bed body, a mattress and a sleep adjusting system, the mattress is placed on the bed body, and the mattress is in communication connection with the sleep adjusting system; and the mattress is placed on the bed body, the mattress is in communication connection with the sleep adjusting system, the sleep adjusting system comprises a heart rate detection bracelet, a sleep-aiding adjusting device control system and a mobile phone intelligent monitoring system, the heart rate detection bracelet is in communication connection with the sleep-aiding adjusting device control system, and the mobile phone intelligent monitoring system and the sleep-aiding adjusting device control system can be connected through Bluetooth. The sleep-aiding bed is simple and convenient in operation process and stable and smooth in swinging process, the sleep adjusting system can monitor the sleep state of a user in real time and provide a proper sleep-aiding mode according to the sleep state of the user, the user can check the sleep quality and other conditions through a mobile phone terminal, the sleep-aiding mode can be adjusted according to user preferences, the intelligent sleep-aiding adjustment can adapt to different user conditions, and the sleep quality of the user is improved.