Old Navy.com currently has kids pajama sets and adult pajama pieces for $7 each.
Plus here are some deals to make it even sweeter:
Use the code ONSAVE20 to save 20% off your purchase
Shop through Shop at Home and earn 20% cash back. And if you are a new member, you will get a $5 bonus on top of the cash back
And if you order over $50, you get free shipping!
(Thanks NWA Deals)