In TODAY.com's Expert Tip of the Day, a psychologist reveals a simple morning routine to avoid winter depression and boost mental health.

Sleep experts reveal why going to bed after a certain time disrupts cortisol and melatonin balance, causing disrupted sleep.

Instead of letting the early darkness get me down, I lean into it by creating what I call a sunset routine. Here’s why it ...

Scrolling on your phone before bed may not be as bad for your sleep as we once thought. New research from Toronto ...

Teenagers who do not get enough sleep on school nights or have interrupted sleep have a greater risk for suicide.