Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of ...

Experts recommend seven to eight hours of sleep nightly for most adults; six hours is usually not quite enough. Lack of sleep can cause mental and physical issues like anxiety, poor focus, and chronic ...

Sleep inertia is a common symptom of idiopathic hypersomnia (IH). With sleep inertia, you feel very groggy and out of sorts when you wake up. It usually happens after you’ve been asleep for at least ...

It can be tough to calculate exactly how long you’re in REM, but many health trackers use your heart rate, heart rate variability, and data on your movements to make solid estimations. (Just know that ...

A cup of chamomile tea. A glass of warm milk. The classic turkey sandwich. Certain foods and drinks have a reputation for making us sleepy. But it may not be a particular snack that does the trick. A ...

There are plenty of habits and behaviors you can do in the evening to help increase your ability to get a good night's rest. But eating the best foods for better sleep in the hour or two before bed ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. The Apple Watch has a ...

The percentage of U.S. high school students who aren’t getting enough shut-eye is climbing. U.S. medical societies recommend that teens sleep eight to 10 hours each night. But in 2023, 77 percent of ...

Light blocks the brain from making melatonin, the sleep hormone. Light at night can increase the risk of accidents due to daytime drowsiness. Nighttime light exposure can raise the risk of chronic ...

In February, a pop-up science column, Annals of Inquiry, is appearing in place of Kyle Chayka’s column, Infinite Scroll. Chayka will return in March. When Joanne Osmond was growing up, in rural ...

Abstract: The development of problem-solving skills within Science, Technology, Engineering, and Mathematics (STEM) disciplines is essential and can be a differentiating factor in the future success ...