Learn the critical time limits of sleep deprivation and the dangerous consequences for the human body and mind.

Pulling the occasional all-nighter can ... of sleep as a necessary sacrifice. But how bad is it to go without sleep for a full day? "Staying awake for 24 hours straight might not cause long ...

He discusses the need for sleep, why teenagers require more sleep than adults, and how you can get a good night’s sleep without medications ... So older people, if otherwise healthy, should ...

REM sleep has long been thought ... that dreaming without sleep may not be unobtainable after all. Dreams play a critical role in emotional processing, and if psychedelics can mimic that, they ...

Developing good habits and reinventing your health isn't something that's limited to New Year's resolutions. Whether you just ...

Scientists have long noted ... explain why people on DMT often describe the experience as ‘dreaming while awake’—the brain might be mimicking parts of REM sleep but without following the ...

Is sleep tracking actually useful in daily life, or is it just data overload distracting you from what matters? After ...

Life on the International Space Station isn't always easy. There's not a lot of room, no showers, and no laundry. Photos show ...

Ask any astronaut who has spent extended periods in the International Space Station what the most challenging part was, and ...

The internet is buzzing with an exciting new trend and has made users go crazy online with AI-generated images in the iconic ...