Apple Beddit 3.5 Sleep Monitor works with Apple Watch Factory-sealed packaging Automatically measures sleep time, heart rate, breathing, snoring,* and bedroom temperature and humidity Extremely thin, more→flat and soft sensor strip ââ at 2 millimetres thin, you wonât even notice itâs there No wearable necessary Works on any size mattress, and with one or two people in the bed** Sleep analysis, heart rate, and respiratory data are also stored in the Health app on your iPhone Receive sleep report notifications, bedtime reminders and nudges on your Apple Watch Beddit Sleep Monitor automatically tracks your sleep and works with the Beddit app on your iPhone to help measure, manage and improve …