10 wake-ups a night.. i am desperate

i have an almost 9 month old who’s is breast fed and bed shares and last night he woke up 10 times! this isn’t different than any other night though. idk what to do. i am crying. i am losing my mind i swear. idk what to do. i try to pat him and give him binky but he starts to cry so i nurse him so he doesn’t wake big bro (4m) sleeping in his own bed in our room. he eats well. but doesn’t get very long day time naps as he always contact naps and brother is noisy. we don’t have a crib or the funds for it. i have a pack and play but if i lay him in it he loses it. please help me