Some nights you need to sleep more than ever and you just can't shake those nagging worries. Check out our guide to functioning after a poor nights sleep.
Sound familiar?
Common belief would lead you to believe that everyone needs between seven and nine hours of sleep every night to feel at their best in the morning. For most of us, that theory rings true, but unfortunately, there are no set answers to this conundrum. For example, Winston Churchill took two-hour naps every day which meant that he could work long
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