2 of 2 results for "sleep cycle"
Video
Sleep and the Snooze Button: Why Hitting Snooze Makes You Sleepier

In Sleep and the Snooze Button: Why Hitting Snooze Makes You Sleepier, host Harith Iskander explains what happens when we hit the snooze button in the morning. Science shows that the body starts preparing to wake up when the alarm rings, but pressing snooze resets the body’s sleep cycle. This causes the body to go back to the beginning of the cycle, making you feel even sleepier. This video is excerpted from BBC’s Got Science?, a science magazine series that explores and explains science in everyday life.

Student Article
Why We Sleep: How Rest Helps Our Body and Brain
The article "Why We Sleep: How Rest Helps Our Body and Brain" from BBC Science Focus explains why sleep is essential for our physical and mental well-being. It explores sleep stages, how much rest we need, what dreams might mean, and why sleep evolved.