Too much and too little sleep speed up aging - New science reveals the hours you need to live longer

New research says sleep is the second biggest factor in how long you live. Here's what the science actually means for you.
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Poor sleep may speed up brain aging, study finds

New research shows that not getting enough quality sleep could age your brain faster than your body, raising concerns about long-term cognitive health issues. ALSO READ: Not well-rested? Ways to ...