An intelligent alarm clock that analyzes your sleep and wakes you in the lightest sleep phase – the natural way to wake up feeling rested and relaxed.

Sleep cycle is continuously rated as the best smart alarm clock, Sleep Cycle is now the worlds most used intelligent alarm clock.
* Sleep Cycle monitors your movement during sleep using the extremely sensitive accelerometer in your iPhone.
* Sleep Cycle then finds the optimal time to wake you up during a 30 minute window that ends at your set alarm time.
MAIN FEATURES
√ Waking up made easy! Sleep Cycle analyzes your sleep and wakes you in your lightest sleep phase.
√ Detailed sleep statistics and sleep graphs for every night.
√ 15 carefully selected, high quality, alarm melodies.
√ Use iPod music as wake up sound
√ Snooze by shaking or tapping the phone lightly.
√ Customizable wake up window. From instant (regular alarm clock) up to 90 minutes.
√ Background mode – set your alarm and exit Sleep Cycle – sleep analysis will continue in the background
√ Sleep aid – helps you fall asleep. The intelligent mode detects when you fall asleep and automatically fades the sleep aid sound.
√ Support for the M7 co-processor – measure your daily physical activity and calculate how it affects your Sleep quality
√ Heart rate monitor – measure your resting heart rate (RHR) every morning using the camera and flash in your device.
√ Sleep notes – see how events such as drinking coffee, eating too much or having a stressful day affect your sleep quality
√ Long term graphs – track sleep quality over time, see which days of the week you sleep best and much more
√ Export sleep data to Excel for detailed analysis