How accurate is your smartwatch? Learn how Apple and Samsung smartwatches use motion and HR to track sleep, and why you ...

On average, how many hours do you sleep each night? For most healthy adults, guidelines suggest at least seven hours of slumber. But these are general recommendations and not strict rules. “Some ...

7-9 hours remains the guideline, but not everyone needs that much sleep. Some need less, some need more. Sarah Mitroff/CNET If you find yourself asking, “How much sleep do I need?” you’re not alone.

Medically reviewed by Allison Herries, RDN Key Takeaways Melatonin is a hormone that regulates your circadian rhythm and ...

Scientists now know that while we snooze, our brains help solidify the memories we made during the day. In this Special Feature, we investigate whether simple techniques might help improve memory ...

How does Sleep Apnoea detection work on Apple Watch? Wareable spoke to Apple's Dr. Matt Bianchi to find out. Sleep apnea detection isn’t unique to the Apple Watch, but it is one of the hottest ...

Something like a common cold could also potentially worsen the symptoms of sleep disorders such as obstructive sleep apnoea. ...

Many smartwatches, fitness and wellness trackers now offer sleep tracking among their many functions. Subscribe to our newsletter for the latest sci-tech news updates. Wear your watch or ring to bed, ...

While some couples might sleep soundly together, for others, sharing a bed is anything but harmonious, especially for those with differing sleep styles. A restful night can be thwarted by tossing and ...

Some animals can sleep with just half their brain at a time. Understanding this phenomenon can help us learn more about human ...