A miniature actigraph worn within the wrist (Mini Motionlogger, Ambulatory Monitoring, Inc. Ardsley, NY) was utilized to evaluate sleep quality objectively, making it possible to observe sleep less than purely natural situation with small distortions. The actigraph actions wrist activity employing a piezoelectric ingredient and translates wrist actions into https://www.youtube.com/watch?v=PgNzdZr0_hg