1.0 link 72683 http://www.huffingtonpost.com/dr-michael-j-breus/moody-blues-have-meaning_b_72683.html It doesn't take a genius to know that being tired makes us cranky, grumpy, and emotional. Not the person your spouse or co-worker wants to deal with today. Blame your foul mood on a lack of sleep first, and the brain second. At last we think we can explain why this is so. Sleep Review journal now reports a study just published in Current Biology that explains how sleep deprivation activates the place in our brains that...

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