Your circadian rhythm is your body’s internal clock. Light, sleep patterns, hormones, meals, and temperature can all influence your circadian rhythm, which in turn can influence your overall health.

She's a certified sleep science coach and member of the Peloton community. When she's not creat... See Full Bio Carley Prendergast Deputy Editor, Forbes Health Carley is a writer, editor and ...

Sleep apnea does not go away on its own, although some of the conditions and structural factors that cause it can be treated and reversed. For instance, a septoplasty can fix a deviated septum that is ...

An alignment of planets will be visible starting January 17. Venus and Saturn will appear within 2.2 degrees of each other. NASA says it's pretty rare to see four or five bright planets at once ...

Prehistoric Homo sapiens might have lived 230-300,000 years ago, but just like us, they were on the hunt for a good night's sleep. However, unlike many a modern office worker, they might have ...

The secret to feeling good after a night's sleep may start during the day. Here are some tips on how to improve your sleep and feel less tired. Feeling tired? You're not alone – and you may be ...

Subscribe today. It’s a great year for planet-watching. In addition to this week’s stellar views of Mars, stargazers can admire multiple “planet parades”—the simultaneous appearance of ...

Need a break? Play the USA TODAY Daily Crossword Puzzle. Venus is another planet that continues dominating the western sky after sunset. Venus and Saturn will have their closest approach ...

As many as 70 million people have consistent sleeping issues. Not getting enough sleep each night can raise a person’s risk for several health concerns, including cognitive decline and dementia.

Thawing ice has unveiled remains of a long-lost forest in the Greater Yellowstone Ecosystem, indicating the profound changes that have influenced the area – and perhaps what might lie ahead ...

You may have heard that frequent snoring is a sign of sleep apnea. It's true that snoring is one of the most common symptoms. But not everyone who has sleep apnea snores. And of course ...

If you have symptoms of sleep apnea, your doctor may ask you to have a sleep apnea test, called a polysomnogram (PSG). This may be done in a sleep disorder center or even at home. A polysomnogram ...