Without enough sleep, we lose our ability to concentrate and to function. Why is that so? Why is sleep so essential to our brains and to our lives?

Our Enigmatic Internal Clocks

The Early Days of Jet Lag In the mid 1950s, United States Secretary of State John Foster Dulles flew to Cairo, Egypt to negotiate a treaty for the construction of the Aswan Dam. Dulles and the U.S. were competing with...
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The Sleeping Brain

We spend 1/3 of our lives asleep, and most people treat it as a highly enjoyable activity. We speak gleefully of "sleeping in on Sunday," and parents of newborn infants often talk of sleep the way a man lost in...
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Researchers Examine the Effects of Sleep Deprivation on the Brain

Sleep debt has become a common phrase in health news recently, as many different research studies have shown that insufficient amounts of sleep can have lasting negative impacts on health. A new report published in the journal Nature provides some...
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Rolling Waves and Arctic Icecaps in the Sleeping Brain: Oscillation States Switch

Can you imagine crashing waves freezing instantly into arctic icecaps-within your sleeping brain? Well, maybe not, but from the question you might be able to infer that the sleeping brain is far from tranquil. It's neural activity switches back and...
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Sleeping and Dreaming

We sleep through one third of our life, and dreams dominate two of the eight hours that we typically sleep during a day—but why we do both is a continuing mystery. Sleep is basically a brain phenomenon, since other body...
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