How Sleep Works: Understanding the Science of Sleep | Sleep Foundation - Deepstash

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How Sleep Works: Understanding the Science of Sleep | Sleep Foundation

sleepfoundation.org

Why We Sleep

While even experts haven’t reached a consensus explanation for why we sleep, numerous indicators support the view that it serves an essential biological function.

In adults, a lack of sleep has been associated with a wide range of negative health consequences including cardiovascular probl...

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Sleep Stages

  • Stage 1. Your breathing slows as well as your heartbeat, eye movement, and brain wave activity. Your muscles begin to relax.
  • Stage 2. Your breathing, heartbeat, and brain wave activity continue to slow. Eye movements stop.
  • Stage 3....

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How The Body Regulates Sleep

The body regulates sleep with two key drivers:

  1. Sleep-wake homeostasis. The longer you’re awake, the more you feel a need to sleep. This is because of the homeostatic sleep drive, the body’s self-regulating syste...

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