When is the best time to take nap? A sleep doctor reveals the optimal time of day to take a nap in order to feel rested and ...

Waking up at 3 a.m. every night and struggling to fall back asleep? You’re not alone. From stress and insomnia to ageing and ...

Pediatricians want school to start later so older students can get more sleep. Districts say that's easier said than done.

Sleepopolis Sleep Calculator — A user-friendly tool that lets you calculate ideal bedtimes or wake-up times based on 90-minute sleep cycles.

Discover how men are using tools like the Oura Ring, IV therapy, red light therapy, and sleep syncing to optimize recovery, ...

To find out where you could be going wrong, we spoke to four sleep experts about what your nighttime routine should really ...

If you struggle to fall asleep or wake up feeling groggy, an out-of-sync circadian rhythm could be to blame. This internal 24 ...

With all the discussion around the adolescent mental health crisis, a prime suspect has gone relatively unnoticed: sleep.

“The vast majority of adults truly need somewhere between seven and nine hours, and we offer that range because there is a ...

Troubling thoughts can trigger overthinking late at night, disrupting your sleep. Here is how to finally zap them and get ...

According to the CDC, more than one-third of U.S. adults regularly get less than seven hours of sleep per night. Nearly three ...

New research reveals how synaptic connections in the cerebral cortex can strengthen during sleep, offering insight into how ...