If you've been struggling to sleep and end up feeling fatigued during the day, the data collected by these sleep trackers can help you find a solution. Caroline Igo Former Editor, Sleep Caroline Igo ...

Experts recommend 7 to 9 hours of sleep per night for all adults, but research suggests that women may sleep longer on average and experience sleep disruptions more frequently than men. Hormonal ...

Research investigating cannabis and sleep is limited. However, products with a small-to-moderate amount of tetrahydrocannabinol (THC) and a small amount of cannabidiol (CBD) could be helpful. You may ...

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. Let's talk about one ...

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 ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Lauren Dragan Lauren Dragan writes about audio tech and OTC hearing aids. She ...

A sleep cycle is a physiological process that allows the brain and body to repair tissues, remove toxins, and process memories. It typically lasts 90 to 110 minutes and is repeated 4 to 6 times per ...

Source: Amy/Pixabay It goes without saying (recognizing I’m about to say it…) that sleep is important. Sleep is a basic requirement for life and is the cornerstone of physical and mental health, ...

This article is a part of CNN Underscored’s Guide to Sleep, a weeklong focus on everything you need to sleep better. We’ll be featuring new products, tips and exclusive deals all week, so check in ...

Suzanne Fisher, RD, is a registered dietitian and licensed nutritionist with nearly 35 years of experience in evidence-based nutrition and exercise physiology. Eating foods rich in calcium can help ...