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Science discovers why we really need sleep

I’ve always identified with my poor, overwhelmed computer when certain symptoms let me know it needs a restart. I know I need to empty the garbage, restart, and clear the PRAM. That’s exactly how I feel after a long day. As it turns out, humans function a lot like an overwhelmed computer when we lack sleep. We need sleep to restart and clear out our accumulated mental “trash”.

According to recent studies, the brain has a separate “trash” clearing system from the rest of the body that can only do its job when we sleep. So don’t skip sleep. You’ll have a mental overload with all that backed up junk in your head.