My son is finally staring to really get into playing with toys so i brought him to his room to play, hes been in the swing for about 20 minutes i heard him start to spit up so i stopped it and wiped him off thinking the motion of the swing made him puke, but he started freaking out on me until i put him back in it and turned it on. He is so content i feel like we may be in here all night till daddy gets home!