Gear4 Renew SleepClock Sleep Monitor for iPhone (Does Not Work With iPhone 5) iPod Touch and iPad (Discontinued by Manufacturer) Measure your sleep with no wristbands or headbands to wear. Select your wake up time and start monitoring. Listen to FM or iPod as you settle down. Enjoy a better night's sleep and compare information withprevious nights to track and improve your sleep. Track how long it takes for you to fall asleep. Right-time wake up: Knows when you're asleep and when best to wake you up during a light sleep phase. Non contact monitoring: Measures your breathing rate and movement without the need for any extra equipment (headbands, wrist watches etc.). Sleep sensor: Measures how long you spend in deep, light or awake sleep phases. Auto sleep detection: Listen to your favorite music as you drift to sleep. Once you're asleep audio automatically fades. App interface: Calculate your sleep efficiency, keep record of your sleep progress each night and compare with others Wake up at the ideal moment in your sleep cycle. Track your sleep patterns over time via the free Renew app. Non-contact monitoring. Bedside speaker with FM radio.