Scientists have identified the mechanism that controls the internal 24-hour clock of all forms of life -- a finding they say should shed light on ...
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Here are just a few tips that will help you to reset your body clock and rediscover your natural rhythm.
If you want sanity in your life, know who you are as a sleeper - a lark or an owl - and simply accept your nocturnal biology - leave the moral-indulgency clause alone.
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