Why Your Brain Needs Sleep
Scientists have just discovered a new, very important reason for you to get a good night's sleep. For the first time, they've actually been able to see the brain physically cleaning itself...
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Why do we have to sleep? I am losing valuable life hours here! Anthony here for DNews, and I have always wondered just why exactly we have to sleep. Do you know how much I can do if I never got tired. Scientists wonder about it too. Every animal participates in some form of sleep, even though it puts us all in an incredibly vulnerable state; Anything can get you, seems wasteful. So, it must perform some function that is so important it is worth the trade-off of being killed by a predator who is on a slightly different work schedule. There are a few theories. One is that it gives us more time to repair our muscles and cells. One is that it lowers the amount of energy we need and less energy means less meals, means less hunting and gathering, which ...
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Why do we have to sleep? I am losing valuable life hours here! Anthony here for DNews, and I have always wondered just why exactly we have to sleep. Do you know how much I can do if I never got tired. Scientists wonder about it too. Every animal participates in some form of sleep, even though it puts us all in an incredibly vulnerable state; Anything can get you, seems wasteful. So, it must perform some function that is so important it is worth the trade-off of being killed by a predator who is on a slightly different work schedule. There are a few theories. One is that it gives us more time to repair our muscles and cells. One is that it lowers the amount of energy we need and less energy means less meals, means less hunting and gathering, which ...
