After exploring the science of sleep last week, it feels fitting to turn our attention to one of the most common culprits behind poor rest: Caffeine. A ...

A new study reveals that the brain’s responsiveness and capacity for learning shift with the time of day, governed by ...

Internal medicine and rheumatology specialist Siobhan Deshauer, MD, looks at scientifically proven hacks for improving one's sleep. Following is a partial transcript of the video (note that errors are ...

Within 15 to 45 minutes of drinking a cup of coffee, caffeine travels through the bloodstream and reaches the brain. There, it blocks adenosine receptors, the neural “brakes” that help promote calm ...

You don't have to be a sleepaholic to love sleep. And we shouldn't aim for the opposite either—being loud and proud about getting by on a few hours; convincing ourselves we just need a quick “power ...

We all know how much better we feel after a good night’s sleep. Science backs this up: high-quality sleep boosts cardiovascular health, immune function, brain health and emotional wellbeing.