Fecha de publicación: 05/09/2023 Fuente: WIPO "sustainability" The invention provides a sleep sustainability detection and adjustment method, system and device based on local decomposition, and the method comprises the steps: initializing a sleep sustainability dynamic detection and adjustment basic scheme, collecting and processing a sleep physiological signal of a user, and obtaining a sleep state characteristic curve and a sleep time phase curve; performing local mean decomposition on the sleep state characteristic curve, removing abnormal local mean decomposition signals and extracting high-frequency local mean decomposition signals to obtain sleep sustainability characterization signals; the method comprises the following steps: acquiring a representation signal, denoising the representation signal to obtain a sleep sustainability characteristic curve, calculating a sleep sustainability index and a curve, performing trend prediction analysis, generating a sleep sustainability dynamic adjustment strategy, performing dynamic adjustment and effect evaluation on a sleep process of a user, and dynamically iterating and optimizing a sleep sustainability adjustment process method strategy; and generating a user sleep sustainability detection and adjustment report. According to the invention, sustainable efficient intervention and adjustment on sleep of the user can be realized.