Working the night shift, frequently flying across time zones or keeping an irregular sleep schedule does more than just leave ...

What Is Circadian Rhythm?Circadian rhythm is your body’s natural, internal 24-hour cycle that determines when you sleep and ...

Sleep is central to the proper functioning of the immune system, which in turn has implications for mental and physical health. Sleep disturbances have been linked to poorer immune responses against ...

A simple guide to returning to your schedule when travel, late nights, or seasonal shifts affect your shuteye.

Waking up frequently in the night, especially at 3 a.m., can stem from stress, insomnia, aging, medications, or underlying health issues like sleep ap ...

Your sleep cycle includes light, slow-wave, deep, and REM sleep, which repeat throughout the night. To get restful sleep, you need to spend the right amount of time in each stage of the sleep cycle.

Why doing less, specifically, taking regular naps, can actually make you smarter. Backed by science, holistic nutritionist ...

Fact checked by Nick Blackmer Some supplements can interfere with sleep, especially those that affect energy levels or the sleep–wake cycle.Ingredients like hidden stimulants or certain vitamins may ...

Smart ring maker Ultrahuman is partnering with sleep tracking giant Sleep Cycle to detect snoring and coughing via the Ultrahuman Ring Air.

Hormones like testosterone, cortisol, melatonin, and more directly influence men’s mood, energy, and sleep quality. Hormonal ...

GOTHENBURG, Sweden--(BUSINESS WIRE)--Sleep Cycle, the leading sleep technology company, today released its 2024 Presidential Election Sleep Report, revealing surprising metrics on how the U.S.