Sleep health
Cold or Hot Shower Before Bed: Which Is Better for Sleep?
A shower or bath in the evening is a great way to wash away the day and wind down before bed. Should you go hot or cold for your deepest sleep?
Latest
Physical performance
Want to sleep better? Lift some weights.
Results of a new study show that resistance exercise promotes better sleep among inactive adults, especially those who are poor sleepers.
Sleep health
Does Tryptophan in Turkey Really Make You Sleepy?
Why does turkey make you sleepy? You've finished your Thanksgiving meal and now you're ready for a nice nap. Is the bird to blame?
Nutrition
5 Nutritious Foods That Are Also Good For Your Sleep
Did you know what you eat during the day might have an impact on your night's sleep? Here are 5 foods that might help and the research behind them.
Sleep health
What's Your True Chronotype?
Our modern, plugged-in lifestyle has kind of messed with our chronotypes. Here's why you may need a reset.
Sleep health
Does Vitamin D Help With Sleep?
The "sunshine vitamin" has a hand in regulating many of our bodies' biological functions. One of those may even happen after dark.
Cognitive performance
Guide to Non-Sleep Deep Rest (NSDR) and how to get started
NSDR helps slow down your thought-flow and brain wave frequency, allowing your brain and body to rest deeply. It can help with sleep, stress, anxiety ... and even learning.
Sleep health
11 Reasons You're Tired All the Time*
*That aren't because you're sleep deprived. Here's what you need to know.
Sleep tech
Apple Watch OS9's New Sleep Stages: How Good Is It and What It Means for Your Sleep
Sleep experts review Apple Watch's sleep stages tracking feature in the new WatchOS9. How good is the data and what you should know
Cognitive performance
Jet Lag: East vs West
Under normal circumstances, your circadian rhythm aligns with daylight, promoting alertness during the day and sleep at night. Your geographic location affects your rhythm since...
Sleep health
Is Dehydration Ruining Your Sleep?
Does dehydration affect sleep? What causes dehydration at night? Here's what the research says about being even mildly dehydrated when you crawl into bed. (Spoiler alert: It can affect your natural circadian rhythm and cause sleep disruptions.)
Sleep health
Why Your Wake Time Matters More Than Your Bedtime for Improving Sleep
Sticking to a regular morning wake-up time is one of the best things you can do to improve your sleep tonight. (And the next night, too.)