Nokia Sleep offers sleep cycles (deep, light & REM), snore detection and heart rate. Enjoy easy one-time setup and automatic sync to the Health Mate app via Wi-Fi. Also features IFTTT integration for scenarios such as dimming lights when you go to bed, or turning up your thermostat when you get up. You can place the sleep sensor directly under the mattress (between the mattress and the bed platform or box spring). Nokia Sleep has been tested with a mattress thickness of 4 to 15 inches. Compatibility: iOS (iOS 10 and higher), Android (5.0 and higher), Cannot be set up from a computer, Wi-Fi: 2.4 GHz b/g/n WEP/WPA/WPA2.