daylight saving time

How did people wake up before the invention of modern alarm clocks?

A new, limited-time-only burger at Burger King has a peculiar selling point: It's supposed to give you nightmares.

Without these genes, there's no REM sleep.

Doctors have a very good reason for this recommendation.

Sleep deprivation could contribute to loneliness, and the feeling is "contagious," researchers say.

Here's what you should know about sleeping with a fan on at night.

In waking life, such a case of quickly forgetting recent experiences would surely land you in a doctor's office. With dreams, however, forgetting is normal. Why?

Good news for weekend snoozers.

Quick bursts of brain activity may be creating false memories while we nap

Bad news for "night owls": Those who tend to stay up late and sleep in well past sunrise are at increased risk of early death, a new study suggests.