6 Best Free Alarm Clock App for iPhone and Android Phones

2. Sleep Cycle Alarm Clock

Rating: 4.60

For those who are constantly waking up tired no matter how long they sleep, Sleep Cycle Alarm Clock has the perfect solution. This application is monitoring your movement during sleep and it finds the best time to wake you up. If you are tired after waking up, this means you woke up while you were in a deep sleep. The Sleep Cycle Alarm Clock will make your mornings easier because it will wake you up during your lightest sleep.