March 18, 2011, 7:14 am
By BRYSON VOIRIN
I love to sleep. That feeling when you wake up fully rested, crisp and fresh, is nirvana. Sleep is essential part of our daily lives. Stop sleeping and your body starts losing function, mental clarity evaporates, and you eventually die. Sleep seems to be essential for all animals, given that every animal studied has been found to sleep. Insects, fish, birds, and I all participate in this daily phenomenon. But why do we sleep? What purpose does it serve? The truth is, we don’t really know. We know loads about the neuronal pathways that define the various stages of sleep. We also know what happens when we are sleep-deprived (think of staying up all night for a final exam). But the true purpose of this curious state that we enter nightly remains mysterious.
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