Why do we yawn?

By Owner-neok12From YoutubeAugust 20, 2025

Jonathan discusses why we yawn, which we as humans have yet to figure out.

#Brain

#Breathe

#Cool

#Tired

#Bored

#Signal

#Rest

#Yawn

#Reflex

#Sleepy

#Oxygen

#Inhale

#Stretch

#Air

#Carbon

#Awake

#Habit

#Dioxide

#Exhale

#Alert