Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

It may seem innocent, but it's probably getting in the way of good rest.

This sleep stage is incredibly important.

If you keep waking up at 2 or 3 a.m., sleep experts say the cause may be linked to habits and emotional factors you might not ...

On World Sleep Day 2026, experts explain how much sleep adults really need, why sleep quality matters for health, and tips to improve restful, restorative sleep.

Everyday habits like late caffeine, inconsistent bedtimes, and nighttime scrolling may be quietly disrupting your circadian rhythm and sleep quality.

With daylight saving time fast approaching, our sleep cycles are about to get thrown for a loop. But don’t panic — you don’t have to rely on pharmaceutical sleep aids that leave you groggy or tired.

This Sleep Awareness Month, consider this your sign to stop glorifying exhaustion and start protecting your rest.

Plus, which has more possible side effects.

Forbes contributors publish independent expert analyses and insights. Dr. Judy Stone focuses her writing on infectious diseases. While women are said to sleep a bit longer than men, their sleep ...