(colloquial) vomiting while asleep, sleep-puking

Same as above.

last night

(informal) vomit

(colloquial) to vomit, to throw up

過ぎる: (auxiliary) too, too much; to exceed, to go beyond something

to exceed; to surpass / to be too much; to be excessive

indicates that something undesirable was done or happened

to close / to finish, do something completely / to put away, to put an end to / is, or was (with conjugation), done completely / happens, or happened, unexpectedly / is done with difficulty

traditional folk song of Amami / (more broadly) traditional folk song of Okinawa