Automatic sleep/wake scoring from body motion in bed: validation of a newly developed sensor placed under a mattress.
作者： Takamasa Kogure , Shuichiro Shirakawa , Masato Shimokawa , Yuji Hosokawa
DOI: 10.2114/JPA2.30.103
关键词: Highly sensitive 、 Anesthesia 、 Actigraphy 、 Sleep (system call) 、 Medicine 、 Nursing homes 、 Sleep wake 、 Polysomnography 、 Physical medicine and rehabilitation 、 Care facility 、 Activity measurements
摘要: The purpose of this study was to formulate a "sleep/wake" scoring algorithm for processing activity measurements obtained using newly developed nonwear actigraphy (NWA) device, and test its validity. NWA device has highly sensitive pressure sensor is placed under mattress. It can continuously record the person lying on mattress identify an "in-bed/out-of-bed" state from vibrations We formulated sleep/wake by data simultaneously wrist (Act) in 33 healthy participants. Agreement rate, sensitivity, specificity with Act were 95.7%, 97.6%, 75.8% (33 people); corresponding values 85.9%, 89.1%, 79.8% 12 nursing home residents 93.7%, 97.2%, 60.8% 60 nights 6 persons who slept 10 their futons. polysomnography almost perfect agreement (12 nights; 2 nights). All our validation results indicate that or futon, produce identical scores Act. expected in-bed/out-of-bed, enables convenient long-term sleep-related evaluation various fields, including hospital settings, home-care care facility settings such as homes.
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