Is it ok to leave baby in a sleep sack all day?

Nika • Liam Michael Serra ~ 35 weeks ~ 2/23/19

I have a 1 week old. Ive just been leaving him in a onesie and a sleep sack all day. I take him out to feed every 3 hours amd then hes on my chest for 20 minutes out of it as well. Is this ok or should I allow more time out of the sack?