2min chapter

The Checkup with Doctor Mike cover image

What Your Bedtime Says About You with Professor Matt Walker

The Checkup with Doctor Mike

CHAPTER

The Effects of Sleep on the Nervous System

Human beings are the only species that will deliberately deprive themselves of sleep for no good reason. When we see other species doing this, it's usually under conditions of very high threat from predators or under conditions of starvation. We don't know where sleep deprived when we're sleep deprived in terms of impaired performance. Your subjective sense of how well you're doing when you haven't got enough sleep is a miserable predictor of objectively how well you've done with insufficient sleep.

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