My 5 month old!!?

It was about 3 bottles she eats a day....i wrote that fast...so cereal in the morn then bottle at 11am. wakes up bottle at 2pm, cereal at 6pm then a bottle at 8pm.then shell wake up at 1 in the morn 4 in the morn 6 am.....i thought it was too early to feed real baby food ( jars )at 5 months..my pediatrician doesnt recommend.....basically i just want her to sleep better at night...and i try to let her cry before i go and get her about 12 minutes but she never stops...