Complex sentence: Meadow is taken to the hospital wing shortly after; since she was out all night she feels even sicker, but she is surrounded by her friends in the dorm who try and convince her that Jackie, although attractive, was boring and pretty lame.
Split into simpler sentences: Meadow is taken to the hospital wing shortly after; being out all night, she feels even sicker. She is surrounded by her friends in the dorm, who try to convince her that Jackie, although attractive, is boring and pretty lame.