Summary of Why Do We Sleep?

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Why Do We Sleep? summary


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People have a love/hate relationship with sleep; they crave slumber even as they fight it off with caffeine, nicotine or alarm clocks. Circadian neuroscientist Russell Foster decrees that it’s time to view sleep as a necessity rather than an indulgence. He explains why sleep is an essential element of good physical and mental health and explores what happens if you don’t get enough. getAbstract sounds the alarm to wake up and watch his eye-opening lecture.

In this summary, you will learn

  • Why humans need sleep,
  • How lack of sleep can affect the body and mind, and
  • How sleep deprivation relates to numerous mental illnesses.

About the Speaker

Circadian neuroscientist Russell Foster researches the eye’s ability to perceive light and dark and to regulate sleep.



If you live to the age of 90, you will have slept for about 32 years of your life. In the past, humans understood the importance of sleep to well-being, but the advent of electricity allows people to operate 24/7. This trend impinges on the realm of slumber. Neuroscientists don’t agree on why humans...

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