WHAT TYPE OF SLEEP ACTIVITY IS BEING TRACKED? Karyna Updated November 03, 2017 19:41 Follow If you wear Flash to sleep, it can automatically track: When you fell asleep Duration of sleep Duration of light and restful sleep When you woke up Related articles WHAT IS MISFIT'S SHIPPING POLICY? MY SLEEP DATA DOES NOT SEEM ACCURATE IN THE APP. WHY? HOW DO I NAVIGATE BETWEEN DAILY AND WEEKLY VIEWS? HOW DO I DOWNLOAD THE APP? Comments 0 comments Please sign in to leave a comment.