Why does putting one foot out from under the blankets bring so much relief of heat while laying in bed?

Question

Why does putting one foot out from under the blankets bring so much relief of heat while laying in bed?

In: 771

Answer 1

People talking about heat transfer at your foot, but I think the bigger affect is how when you stick your foot out, you’ve created an opening in the blanket that allows warm out to leave and for cooler air to enter.