So I have an 18-month-old and some days I like to just keep him in his PJs all morning/afternoon as long as they aren't dirty but I'm wondering if that's okay?

I know it probably sounds like a silly question but I want to make sure that I'm not grooming him to hate getting dressed, etc. Normally if I do keep him in his PJs, I'll change him after his nap because sometimes I feel like he gets a better nap if he's wearing them. They are footed pajamas. Otherwise he's in a t-shirt and shorts . I don't know , I feel so silly asking this question but it's a thought that's crossed my mind a few times so I figured I'd ask here.