Why Is Waking Up So Hard?

Why is it so easy to wake up early on the weekend, yet such a struggle to get out of bed during the work week? It's called social jet lag. Learn more about sleep terms such as "social jet lag" and "sleep inertia" in the following video.

You Might Have Social Jet Lag

Getting up before your natural rhythms want you to wake up is the worst. Learn why with DNews.

Key Facts In This Video

  1. Around 70% of the population experiences social jet lag—an aversion to waking up before our bodies wake us up naturally. 00:35

  2. Waking up during the third phase of sleep results in the most severe sleep inertia. 01:56

  3. Hitting the snooze button and going back to sleep restarts your sleep cycle, and doesn't mean you'll be more rested. 03:00

How Much Sleep Do You Actually Need?

Discover whether or not we really need eight hours of sleep to function.

Key Facts In This Video

  1. In a lifetime, a person will spend 24 years asleep. 00:13

  2. After a few nights of sleep deprivation, the body can fully recover with a few nights of good sleep. 01:04

  3. The ideal average length of sleep is seven to eight hours, but it may vary from person to person. 02:31

5 Strange Sleeping Syndromes

Some people can sleep for days... literally. Learn about five bizarre sleeping disorders.

Key Facts In This Video

  1. People with Kleine-Levin syndrome (known as the Sleeping Beauty syndrome) will sleep for days on end, unable to be awoken. 00:05

  2. People with Free-running disorder have sleep which is not adjusted to the 24-hour cycle, resulting in feelings of constant jet lag. 00:45

  3. Sudden unexpected death syndrome is the mysterious condition where healthy people go to sleep, but never wake up. 01:17

Written by Curiosity Staff November 11, 2016

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