Traditional alarm clocks wake you up at a specific time regardless of what stage of sleep you're in. Sleep Cycle can wake you ...

Circadian rhythms are the cycles that tell the body when to sleep, wake, and eat—the biological and psychological processes that oscillate in predictable patterns each day. This internal clock ...

It typically takes a day for each hour you shift to regulate your sleep-wake cycle. You may even experience mild symptoms of jet lag when clocks fall backward or forward for daylight saving time.