Advanced sleep phase disorder is a rare condition that causes your natural circadian rhythm, or sleep-wake cycle, to occur earlier than typical. As humans, our sleep-wake cycle— also known as our ...

Getting enough sleep may be more important for heart health than many busy professionals realize. A new multicenter study conducted by researchers from Kumamoto University and the National Cerebral ...

If your mental health has been declining, your sleep-wake cycle may be to blame, according to a new review of literature. Taylor Leamey wrote about all things wellness for CNET, specializing in mental ...

Circadian rhythm sleep-wake disorders are a group of conditions in which the timing of an individual’s sleep is disrupted. Circadian rhythms are often referred to as the body’s internal clock or our ...

Sleep isn’t just rest — it’s one of the most powerful tools your body has for healing, brain function, mood regulation, and ...

You just can’t seem to get to bed before 2 a.m. Or maybe the opposite happens: You wake up at 3 a.m., ready to start your day. Then again, it could be shift work that’s keeping you up at night and ...

What makes someone a "morning lark" or a "night owl?" Why does jet lag hit us so hard, and why do some people struggle each winter with seasonal affective disorder? Clues to these puzzles may lie in a ...

An EEG (electroencephalogram) is a painless test that uses small sensors placed on the scalp to measure the brain's ...

It's time to spring forward. At 2 a.m. Sunday, we set the clocks ahead one hour for daylight saving time—meaning we all lose that dreaded hour of sleep. Better sleep hygiene could see fly-in, fly-out ...