The funny thing is, it turns out that babies really do like to be wrapped tightly like this for sleep, so -- just for sleep -- it's actually something that I did with my own kids -- I had a bunch of velcro swaddles like this, and they were MAGIC. But I wouldn't have wrapped my kids like this when they were awake and up to a year! (I think it was actually just a few months until the arms came out -- once the kid could roll over.)