Nap lengthening

Karolina • Polish Mom with three boys Dawid 8/28/2017, Filip 7/27/2019 and Oskar 4/22/2022 - Living in Kansas.

How do you extend your baby's nap? He always sleeps 40-50minutes and he is up. I guess he doesn't know how to transition from one sleep cycle to the next one. How can I help him do that? He is 3 months old.