Maybe they have extra curricular activities every night.
The preposition in the sentence is "during." It shows the relationship between the action of falling asleep and the noun "class."
Excessive entertainment the night before.
No, it is a reason to take caffeine.
Nearly falling asleep in the middle of my class and my teacher screaming at me.
Well, have you ever been in class and felt real drowsy and started to fall asleep? Then right before you do, your body kinda jerks and you catch yourself.
Falling asleep: voluntary Being put to sleep: involuntary
falling asleep
narcolepsy
YES.
Erm...falling asleep?
I dislike my foot falling asleep.
They're asleep, don't wake them!