Sleeping and waking up at different times is associated with an increased risk of heart attack and stroke, even for people who get the recommended amount of sleep, according to new research. While ...

Sleep regularity (waking up and going to bed at the same time every day) could be more important than sleep duration in predicting heart attack and stroke. A new study found that even when individuals ...

We’ve all been there — dragging ourselves out of bed feeling like we’ve been hit by a truck despite getting a full night’s sleep. The alarm blares, and you wonder how eight hours of rest could ...

As we sleep, our brain moves through four stages and two phases: non-rapid eye movement (NREM) and rapid eye movement (REM). The brain has four stages within the NREM phase. Each stage and phase of ...

The internet claims waking at the end of a sleep cycle will leave you refreshed, but experts aren’t convinced. By Clarissa Brincat Published Sep 9, 2025 9:00 AM EDT Image: DepositPhotos Get the ...

Sleeping for 7 to 9 hours at night isn't the only way to catch some z's. Here are four alternative sleep cycles -- and they're pretty obscure. Annie Miller Medical Reviewer Annie Miller is a licensed ...

EDITOR’S NOTE: Before beginning any new exercise program, consult your doctor. Stop immediately if you experience pain. The health benefits of a good night’s sleep have long been touted by researchers ...

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

A new scientific statement from the American Heart Association warns that these disruptions can seriously affect our health.

RBD is marked by loss of REM sleep atonia, leading to physical dream enactment. Polysomnography is essential to confirm RBD and rule out other disorders. Idiopathic RBD is a strong predictor of ...

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

Science says eating a healthy diet also matters. A study published in Molecules found that following a Mediterranean or DASH diet enhances memory, episodic recall, and mental processing speed.