Traditional alarm clocks wake you up at a specific time regardless of what stage of sleep you're in. Sleep Cycle can wake you up when you're in your lightest sleep stage. Having used Sleep Cycle for ...

The frustrating cycle of hitting snooze and struggling through mornings despite adequate sleep duration affects millions of Americans. This disconnect between sleep quantity and morning alertness has ...

Share on Pinterest A new study found an increased risk of cardiovascular events in people with irregular sleep patterns. nong2/Getty Images Sleep regularity (waking up and going to bed at the same ...

Time to give these so-called sleep hacks a rest? The team behind the sleep tracker Sleep Cycle crunched data from over 1 million global users to determine the social media slumber shortcuts that have ...

Ever wonder why some mornings you wake up ready to go, and others you feel like a zombie? The difference often comes down to when you wake up during your sleep cycle, and that’s exactly what a sleep ...