CAN SWAROVSKI ACTIVITY CRYSTAL MONITOR MY SLEEP? Karyna Updated November 02, 2017 20:41 Follow If you wear Swarovski Activity Crystal 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 DOES MY SWAROVSKI ACTIVITY CRYSTAL HAVE AN ALARM? HOW DOES THE 'CONTROL MY MUSIC' FEATURE WORK? WHAT TYPE OF ACTIVITY DATA DOES MY DEVICE TRACK? HOW DO I CUSTOMIZE THE WATCH FACE DESIGN? MY DEVICE WILL NOT SYNC Comments 0 comments Please sign in to leave a comment.