A miniature actigraph worn within the wrist (Mini Motionlogger, Ambulatory Checking, Inc. Ardsley, NY) was made use of To guage sleep good quality objectively, making it possible to monitor sleep below natural instances with small distortions. The actigraph measures wrist exercise using a piezoelectric component and translates wrist actions https://www.youtube.com/watch?v=PgNzdZr0_hg