More to explore:
Knit Baby Sleep Sack
snug as a bug sleep sack // knitting pattern
i can't knit, but if you can this would be a great gift for a shower.
Sleep sack, improved version have buttons on the bottom for easy access.
crocheted sleep sack. Great baby gift or for down the road.
Free Baby Sleep Sack Pattern
Free baby sleep sack pattern - simple to make with cuddle fabric!
Cozy Hooded Sleeping Sack. So practical and easy to "operate." Think I'll give it a whirl.
Whit's Knits: Snuggle Sack (and Bonus Hat!)
SLEEP SACK for baby crocheted striped via etsy
Suzies Stuff: COZY IN CABLES SLEEP SACK AND MATCHING HAT. Separate but both free patterns, each with links to the other
Free Pattern: Baby sleep sack and hat. For the re-use of an up cycle, you can cut the front and back of an old sweater for the baby sack and then use the sleeves for the beanie!
Lolly Pod- Sleeping by LNelkin, via Flickr
Snug As A Bug Sleep Sack
The baby cuddle sack is every bit as comfortable for your baby as the name suggests. Use this free knitting pattern to make your own baby bunting.