Fuente: WIPO "sustainability" The invention provides a sleep sustainability detection and adjustment method based on time-frequency analysis, which comprises the following steps of: initializing a sleep sustainability dynamic detection and adjustment basic scheme, and acquiring and processing sleep physiological signals of a user to obtain a sleep state characteristic curve and a sleep time phase curve; according to curve generation attributes of the sleep state characteristic curve, determining a characteristic curve high-frequency threshold value and carrying out time-frequency analysis to obtain a high-frequency time-frequency analysis signal and carrying out denoising processing to obtain a sleep sustainable time-frequency noise curve and a sleep sustainable time-frequency characteristic curve; and calculating to obtain a sleep sustainability index and a sleep sustainability index curve, performing trend prediction analysis, generating a sleep sustainability dynamic adjustment strategy, completing dynamic adjustment and effect evaluation of a user sleep process, and generating a user sleep sustainability detection adjustment report. According to the invention, sustainable efficient intervention and adjustment on sleep of the user can be realized.