Day 5

Why do we sleep?
BY Russel Foster

Duration: 17 min. Start at 0', end at 17'05.

Summary:

  • 0': History of our perception of sleep

  • 3'40: How it works in our brain

  • 8'38: The consequences of sleep deprivation on productivity

  • 11'22: The consequences on your health

  • 14'44: How to improve your sleep quality

  • 17'05: The consequences on mental health

About the Speaker:

Russell Grant Foster, is a British professor of circadian neuroscience. He is also the Director of the Nuffield Laboratory of Opthalmology and the Head of the Sleep and Circadian Neuroscience Institute. He is the co-author with writer and broadcaster Leon Kreitzman of two popular science books on circadian rhythms, Rhythms of Life: The Biological Clocks that Control the Daily Lives of Every Living Thing and Seasons of Life: The Biological Rhythms That Enable Living Things to Thrive and Survive. He has also co-written a book titled Sleep: a Very Short Introduction.