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 ...

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 ...

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 ...

I'm a certified sleep science coach who has tested over 50 mattresses. Rather than doomscrolling on your phone at bedtime—a deleterious habit for your sleep latency—consider the myriad of apps that ...

The MarketWatch News Department was not involved in the creation of this content. LAS VEGAS, Jan. 7, 2026 /PRNewswire/ -- LumiMind, a next-generation neurotechnology company focused on restoring the ...

LAS VEGAS, Jan. 7, 2026 /PRNewswire/ -- LumiMind, a next-generation neurotechnology company focused on restoring the brain's natural rhythm, today announced the launch of LumiSleep at CES 2026 in Las ...

Explore the first part of our series on sleep stage classification using Python, EEG data, and powerful libraries like Sklearn and MNE. Perfect for data scientists and neuroscience enthusiasts!

You might be tempted to sleep in after a late night—but scientists have found that it’s better for your brain and heart health to stick to your regular schedule. The key to better sleep may not be ...

Getting to bed at night can sometimes feel like a battle. And if you made the wrong choices earlier in the day, you might be paying for it when your head hits the pillow. One of the most impactful ...