And now we know more as to WHY we need sleep….
Recent research has shown that:
Cells in the brain, probably the glial cells which keep nerve cells alive, shrink during sleep. This increases the size of the interstitial space, the gaps between brain tissue, allowing more fluid to be pumped in and wash the toxins away.
So make sure you get that sleep – don’t skimp on it…your brain will thank you.
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