1 doctor weighed in:

My 9 year old son wraps his bed sheet completely around his head when sleeping. Any idea why he would do this?

1 doctor weighed in
Dr. Bac Nguyen
Family Medicine

In brief: Comfortable humidity

Your exhaled-air is perfect in moisture balance thus comfortable to the nose during colder/drier months as in many nights of winter. Covering the head traps moisture and thus more comfortable to breath via nose.
The sheets are quite thin and air can pass through with ease, thus not concerning for oxygenation problem. Mine kids do same, as i too at times...

In brief: Comfortable humidity

Your exhaled-air is perfect in moisture balance thus comfortable to the nose during colder/drier months as in many nights of winter. Covering the head traps moisture and thus more comfortable to breath via nose.
The sheets are quite thin and air can pass through with ease, thus not concerning for oxygenation problem. Mine kids do same, as i too at times...
Dr. Bac Nguyen
Dr. Bac Nguyen
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