Bed nap

Karin

My baby likes to nap on my bed in the day. He falls asleep by himself on there and I don't get in bed with him. I have a monitor on him so I know he's ok. Just checking in if anyone else's baby does this? Or if it's ok I suppose.. I keep seeing that he should sleep in the crib but why? If he's sleeping fine on my bed without me does it really matter?