The 4-month sleep regression is common as sleep cycles mature.
Around 5 to 6 feeds (about 5 to 7 oz per bottle feed).
Not yet, milk only is usual until about 6 months.
Every baby is different. These are typical ranges for healthy, full-term babies, not targets. The easiest way to know your baby's normal is to track a couple of weeks and look at the pattern.
Thungu is a baby-tracking bot, not medical advice. If you're worried about feeding, weight, sleep, or development, talk to your pediatrician.