donkey punchのようなどんな単語でも探してください。
 
1.
When you're just following into a deep sleep and your body spasms for no reason, kind of like the "falling" feeling.

It's a drowsy spasm.
"Dude, I was just about asleep, then a drasm woke me up."
Jay8787によって 2010年02月28日(日)