Biological rhythms
Sleep Inertia: How to Combat Morning Grogginess
Sleep inertia is the groggy feeling when you wake up. Here's how you can get ahead of that feeling.
Sleep health
Biological rhythms
Why the Best Time to Drink Coffee Is Before You Wake Up
Why the recent trend of delaying your coffee is not quite right, and how Zest's delayed-release caffeine gets ahead of the curve
Sleep health
Why Do We Have Daylight Saving (*not Savings) Time?
7 in 10 Americans hate resetting their clocks twice a year. So how did this unpopular tradition come about?
Sleep health
How does Alcohol Impact Your Sleep?
Alcohol has a sedative effect that someone might mistake as relaxing or helpful with sleep, but from a physiological perspective that is not the case.
Sleep health
Adenosine: the link between sleep, exercise and caffeine
Have you ever wondered what makes you feel sleepy or alert throughout the day? The answer lies in a molecule called adenosine.
Nutrition
Why Over-The-Counter Sleeping Pills are harmful for your sleep
A deeper look at OTC sleeping pills and how they affect our sleep and sleep quality.
Cognitive performance
Fact or Myth: Hitting Snooze Provides a Few Extra Minutes of Meaningful Sleep
The inventor of the snooze button did not have your best sleep interests in mind.
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?
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?
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.