Does Everyone Need Eight Hours of Sleep?
Sleep is a fundamental pillar of health. It impacts our brain function, has an influence on our ability to learn, and unlike ineffective detox diets or supplements, sleep actually removes toxins from your brain. (This is why you feel fuzzy-headed after a sleepless night.) Conversely, lack of sleep contributes to depression, seizures, high blood pressure, and migraines. It can affect your immunity and your metabolism -- even one night of bad sleep can put a healthy person into a prediabetic state.
While scientists agree on the importance of sleep, many experts are beginning to question the conventional wisdom that everyone needs eight hours of sleep. Sleep is good, but how much sleep do we need for optimum health? The answer -- like many things to do with our health -- is complicated.
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