The Science of Sleep
Sleep accounts for one-quarter to one-third of the human lifespan. But what exactly happens when you sleep? Before the 1950s, most people believed sleep was a passive activity during which the body and brain were dormant. But it turns out that sleep is a period during which the brain is engaged in a number of activities necessary to life—which are closely linked to quality of life. Learn about the science behind sleep and why sleep is essential through this informative documentary.
01. 1. All Sleep is Not the Same
8:36 • Listen to episode 1 of The Science of Sleep
02. 2. REM is Important
8:41 • Listen to episode 2 of The Science of Sleep
03. 3. Built-In Sleep Controls
6:55 • Listen to episode 3 of The Science of Sleep
04. 4. Why You Need Sleep
7:55 • Listen to episode 4 of The Science of Sleep
05. 5. What Happens When You Sleep
7:41 • Listen to episode 5 of The Science of Sleep
06. 6. How Does the Body Regulate Sleep?
8:34 • Listen to episode 6 of The Science of Sleep
07. 7. Sleep Regulating Chemicals and Hormones
8:22 • Listen to episode 7 of The Science of Sleep
08. 8. Why is Sleep Important?
8:00 • Listen to episode 8 of The Science of Sleep
09. 9. Sleep-related Diseases
9:46 • Listen to episode 9 of The Science of Sleep
10. 10. Things to do to Sleep Better
7:41 • Listen to episode 10 of The Science of Sleep