while sleepy CO2 accumulation increase and to get rid of it we yawn.
your body yawns because it needs more oxygen, when we get tired that's when the body gets low on oxygen
When I am sleepy or tired I yawn.
You yawn when you are sleepy because that is when you take in the least oxygen. Your body takes in more oxygen when you are yawning, which explains the reason to why you take in air when you yawn.
because your tired
because your mind is not concentrated so you yawn to show you to go to bed
your body yawns because it needs more oxygen, when we get tired that's when the body gets low on oxygen
When I am sleepy or tired I yawn.
Drowsy means tired and weary sleepy
drowsy.
sleepy
sleepy
You yawn when you are sleepy because that is when you take in the least oxygen. Your body takes in more oxygen when you are yawning, which explains the reason to why you take in air when you yawn.
Yes when they are sleepy and tired
because your tired
No, "drowsy" is an adjective that describes a person or thing as being sleepy or inclined to sleep. Adverbs typically modify verbs, adjectives, or other adverbs, but "drowsy" does not perform this function.
they are comfy or sleepy ^_^
sleepy; groggy