My baby is 4 months old From last 1week she is not talking proper sleep she wakeup at 11in morning then she sleeps directly at 3 or 3:30 for 1 1/2 hours only and she doesn’t sleep then she sleep around 8:30 or 9 for 10 to 15 min and then she sleep around 1:30 or 2in night in night she only wakeup for feed and then sleep Is it normal? Before she wake up around 10:30 or 11 sleep again at 12 :30 for an hour and then again sleep around 3:30 for 2 3 hour sleep again at 8:30 for half hour and lastly feed at 2 in night Now she only sleep while feeding is that normal ?