(colloquial) vomiting while asleep, sleep-puking

Same as above.

(colloquial) to vomit, to throw up

(informal) vomit

last night

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

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

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

To do something completely (unintentionally); cannot help doing

indicates that something undesirable was done or happened