babies can usually go 3 to 4 days without pooping, while in some cases they will poop multiple times a day on some days. it is just a changing phase as your baby's digestive system develops.
some babies do tend to sleep a little more on some days, and if you feel your baby is doing so regularly, you may want to try and wake him up a bit. if your breasts are leaking, it means you are producing the milk as required by your baby, but he is sleeping hence the milk is going to waste. try tickling your baby and gently tapping on the cheeks or the soles of the feet to wake him up, or just latch him on.
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