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The Science of Human Sleep

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Lessons4 lessons
Media
Quiz
Final assessmentAfter the last lesson, for your diploma
About

“The Science of Human Sleep” is a 4-lesson course at Teen level, created with soclever, a personal AI teacher. Each lesson takes a few minutes and ends with a check-in question; finish the curriculum and you can take a certificate test to earn a diploma. Try the first lesson without an account — or make your own course on any topic. Shared by @admin.

What you'll learn

  1. What Is Sleep and Wakefulness. Your brain is either awake or asleep, but those aren't just on/off states—they're two totally different modes of operation.
  2. Your Body's 24-Hour Sleep Clock. You've probably noticed that you feel alert at certain times of day and drowsy at others—and that feeling doesn't shift much even when you try to fight it.

Questions this course answers

What is the circadian rhythm?

The circadian rhythm is an internal clock that tells your brain and body when to prepare for sleep and when to gear up for wakefulness.

How long does a sleep cycle take?

The whole cycle takes roughly 90 minutes and repeats several times.

What is adenosine?

Adenosine is a brain chemical that keeps rising the longer you are awake.

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