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 ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Credit: Ian Moore / ...

New York Post may receive revenue from affiliate and advertising partnerships for sharing this content and/or when you make a purchase. In a world that never seems to sleep, the quest for quality rest ...

Deep sleep is essential for health, making up 20% to 25% of total sleep time. Not getting enough deep sleep can raise the risk of problems like slow healing. To improve deep sleep, create a ...

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 Vegas. LumiSleep is the first-ever ...

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 ...