My baby is 12 weeks old. I noticed that he has started getting a bald patch at the back of his head a couple of days ago. Today morning I saw so much of his soft hair in his crib where he sleeps. Is this normal?

He sleeps in his crib most of the time. When he is awake I try to place him on the floor for most of the time and occasionally use the bouncer or the swing.

Any of u encountered this with your baby? Do I need to address this somehow or is that a part of growing up ? Will the bald spot resolve on its own? Pls help !!! I am worried.