The controversial birth control app is rolling out “Sleep Insights,” allowing users to view key metrics — including sleep ...

Sleeping and waking up at different times is associated with an increased risk of heart attack and stroke, even for people who get the recommended amount of sleep, according to new research. While ...

A sleep score on your sleep tracker on a smartwatch may be giving you insomnia. If you develop orthosomnia, here is what it ...

Your cycle already knows when you should work harder eat more and rest. Here are your biggest questions finally answered.

Sleep Cycle for Women: Staying up late and not getting enough sleep can affect women's hormones, ovulation, and fertility.

In my last post, I asked, "Are you getting enough sleep?" Today, in an effort to better understand the role of sleep in our lives, I ask a very basic question: What happens when our heads hit the ...

The Sunrise Group's digital sleep clinic, Dreem Health, is partnering with Sleep Cycle to allow users of the sleep tracking app to access Dreem's network of sleep-focused medical providers. Dreem ...