The Importance of Sleep
Johann explains the importance of sleep and how it affects our brain health. Lack of sleep can lead to the build-up of metabolic waste in the brain, which can have catastrophic effects on our attention and increase the risk of developing dementia.In this clip
From this podcast

The Jordan Harbinger Show
707: Johann Hari | Why You Can't Pay Attention—And What to Do About It
Related Questions
What happens to the brain without enough sleep?
Is it correct to say that most people can't thrive on only 5 hours of sleep regularly and that our brains and bodies pay the price if we sleep only 5 hours regularly, according to the episodes Everyday Habits That Make You SMARTER: How To Master Memory, Focus & Learning | Dr. Gina Poe and The Dangers of Sleep Deprivation?
Is it correct to say that most people can't thrive on only 5 hours of sleep regularly and that our brains and bodies pay the price if sleeping only 5 hours regularly, as discussed in the episode 79 - Is Your Metabolism Slow Or Is It Just Damaged? w/ Dr. Thomas Hemingway and the clip The Power of Sleep?