A state-of-the-art sleep tracking and multi-temperature controlled smart mattress cover. This is literally the Next Generation in sleep and health tracking and it's completely replaced my Apple Watch and Oura ring. The smart mattress cover monitors your body in sleep through its 4000 sense of points. The quad core CPU machine here tracks the changes and movements in real time to continually deliver the optimal temperature and environment in bed every minute of the night. One of the coolest parts is its Dual Zone setup, so my partner and I both have different temperature zones based on our own body temperature and it even can buzz you awake without waking up the other. Waking up to the most detailed sleep and health metrics on the EightSleep app has been a really insightful start to the day. There is seriously no better feeling than sliding into a bed that is perfectly cool on a hot summer night or perfectly warm during a chilly evening. It does come at a premium price though, but EightSleep is running a big sale at the moment.