The child goes to sleep at 11 pm and wakes up at 8 am, but doesn't wak…

The child goes to sleep at 11 pm and wakes up at 8 am, but doesn't wake up during the night, eats normally. Is it normal for a three-month-old baby to not eat for 9 hours? In a month, they gained only 760 grams, before that, she ate once at night and gained about 1 kg. The pediatrician said that the weight is in normal range. 5760 grams, 60 cm