bedroom temperature?

L
I'm wondering if my son is not cozy enough to sleep longer stretches at night like others post about their 2 month old babies. Our bedroom is about 73 with an AC running. I think the air blowing makes my son not exactly cold, but not warm enough to sleep all night (he wakes every 3-4 hrs and usually goes back pretty easily after eating but ive heard so many people say their 7 or 8 w olds sleep so long!) - but my husband is afraid of him overheating if its any warmer. He sleeps in long sleeve footie pajamas in the pack n play. What temperature do you all keep your bedroom and does it effect your baby's sleep? Any advice?