Why does fresh air make you sleepy?

Why does cold air make me sleepy?

  • Answer:

    Really cold air holds less oxygen. The body has to work harder for the oxygen it does get, and even then, it's not enough. So, there's less oxygen going to the brain, and that puts the brain in a whole different style of operations- a sleepier one.

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typically it is hot or warm air that makes a person sleepy unless you are either under covers and the air is cold or you are very well dressed. usually if it is col din the office i am more awake and if it gets hot im falling asleep!

vicky84

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