A simple guide to returning to your schedule when travel, late nights, or seasonal shifts affect your shuteye.

Waking up frequently in the night, especially at 3 a.m., can stem from stress, insomnia, aging, medications, or underlying ...

A gastroenterologist has outlined seven daily habits that can help people who consistently wake up feeling tired, offering ...

You might think good sleep happens in your brain, but restorative sleep actually begins much lower in the body: in the gut.

A sleep scientist advises against blindly following the eight-hour sleep rule. Instead, you should create a routine to find ...

St. Hedwig Hospital and Charité–Universitätsmedizin Berlin researchers report that repeated mornings spent under dim indoor ...

Sleep cycle transition: Waking up around 4 am is often attributed to the natural progression of the sleep cycle . After ...

When you don’t get enough rest, your body goes into a stress mode. This triggers a rise in the hormone cortisol, which encourages your body to store fat—especially around the belly area. At the same ...

Owners often report aimless pacing, barking at nothing, soiling in the house and anxiety for no apparent reason.

Melatonin typically works in under an hour in most people, though factors such as your physical traits and the type of product used can vary this timing.

We chatted with sleep and travel experts who shared why travelers are more exhausted than ever and how jet lag and sleep debt ...

A tiny group of people needs far less sleep than the rest of us. Geneticists are finally uncovering the mutations that let ...