6. Why can't we all be morning people?
Why Do We Do That?
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Wake Up Early
Our natural tendency for when we feel tired and awake is known as our chronotype. It seems that certain genes are more likely to make you an early riser or a late sleeper, a nyow. Just over 50% of your chronotype is down to lifestyle while the rest is genetic. A 2015 study looked at the sleeping patterns of pre-industrial societies in Tanzania, Bolivia and Namibia - they typically went to bed three hours after sundown.
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