Low on sleep? Non-sleep deep rest (NSDR) is a portable, free tool that calms and restores your brain and body. Use it to make ...

For millennia, historian Roger Ekirch explains in his book At Day’s Close: A History Of Nighttime, humans slept in two phases ...

"Sleep researchers and clinicians have long understood the role of worry in sleep disturbances," says Dr. Michael Gradisar, ...

The sculpture Sleep Sound, a motorized bed by Chicago artist Yalin Zhao, epitomizes contemporary sleep disruptions.

If you find yourself lying wide awake at night or are procrastinating getting into bed in the first place, focusing on building a better bedtime routine might benefit you.

The Calm app offers sleep stories read by celebrity heartthrobs. Here's one writer's experience trying them out.

Most people need around eight hours of sleep each night to function, but a rare genetic condition allows some to thrive on as ...