Two sleep doctors explain what deep sleep is, how much we need and the real number you should be looking for on your Apple Watch sleep tracker.

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 ...

This video breaks down the science of sleep cycles, exploring how each 90-minute phase contributes to memory consolidation, emotional processing, and physical healing. Learn about sleep disruptors ...

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 ...

Most experts recommend getting seven to nine hours of sleep a night — so why do we sometimes get a full night’s rest and still wake up feeling tired? It may have something to do with the point in the ...

Sleep is the body’s natural healer. When circadian rhythm breaks, immunity, mood, and metabolism suffer—yoga and breathwork ...

Do you wake up feeling lethargic, tired and grumpy? If so, you might not be getting enough sleep – more specifically, deep sleep. This can be a real stumbling block if you’re looking to perform on the ...