A miniature actigraph worn on the wrist (Mini Motionlogger, Ambulatory Monitoring, Inc. Ardsley, NY) was utilised To guage sleep excellent objectively, which makes it possible to watch sleep under organic situation with nominal distortions. The actigraph measures wrist activity using a piezoelectric component and translates wrist movements into an https://www.youtube.com/watch?v=PgNzdZr0_hg