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
Latest
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?
Protocol: Consistent Morning wake time and routine
Nutrition
Nutrients To Help Promote Sleep
Check out these 6 nutrients that support sleep-inducing hormones and improve metabolic health to give you the best zzzzzz's
Physical recovery
Top Advice for Athletes From Our Professional Sleep Coaches
Here’s the Zest sleep expert team's recommended game plan when they work with professional athletes.
Stay Hydrated, Sleep Better!
Water is essential for the human body and staying properly hydrated is important for you to function at optimal levels, and this includes optimal sleep! Dehydration can cause you to feel sluggish...
Intermittent Fasting
Intermittent fasting has been shown to positively impact memory, mood, immunity, heart health, athletic performance, recovery, and you guessed it SLEEP!
Sugar & Sleep: 5 ways they interact
Sugar and sleep have a multi-dimensional relationship that bears enough weight to have its own article. It affects our stress hormones, sex hormones, and inflammation which all relate to sleep.
Sleep 101
Your Circadian Clock
You can think of your circadian clock as the conductor of an orchestra, with the instruments being different types of bodily systems. Each part of the orchestra functions independently, but we feel best when they are in sync.
Sleep 101
Why do I have trouble sleeping?
These are changes to behavior or thought patterns that accidentally make the insomnia continue beyond the initial stressor— or the "glue" that keeps the poor sleep patterns together.
Cognitive performance
5 Ways to Optimize Your Coffee Nap
Drinking coffee before a short nap has been shown to increase energy levels and productivity better than doing either of those things on their own. These 5 tips will help you maximize those benefits.
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.