Tag
#sleep
2 articles
Science & Health
How Caffeine Actually Works in Your Brain
Caffeine does not give you energy. It blocks the molecule that makes you feel tired. Here is the actual neuroscience of the most widely used drug on earth, why your morning coffee is timed wrong, and what tolerance really is.
Science & HealthWhy We Sleep: What Neuroscience Reveals About Rest, Memory, and Your Health
Matthew Walker's research and decades of sleep science explain why those eight hours are not optional — and what happens to your brain and body when you skip them.