We used regular muslin swaddles with Baby J for a long time – almost 3-4 months until he got to a point where he learned of the existence of his hands, learned to move them in a somewhat coordinated manner, and slowly use them to wiggle his arms out of the swaddle. I am smiling as I type this because watching him figure this out and get his tiny little fingers and arms out of the cloth swaddle was just absolutely adorable!
During these months we also used velcro and zippered swaddles. FInally, when he was able to break free of the bigger muslin swaddles, we switched to sleep sacks. I bought one on sale at a ToysRUs and we used that until recently. On days when it was in the wash, we used a hand-me-down fleece sleep sack. After he outgrew the ToysRUs sleep sack, we used the one I bought at a consignment sale. Even at the sale, that one cost $10 used. It was from the reputed Aden+Anais brand and even used, one could tell how light weight and comfortable the thin muslin quality of that sleep sack was. J used it for about a couple months.
Then, recently he got a sudden fever emerging out of his 15 months shots or at least that is what I believe. As a result of this fever and upon the advice of a nurse practitioner, I put him in a shirt and diapers for two nights. On the third night after he had recovered from his fever, I went ahead with this sleep sack but he seemed extremely restless and on that dramatic night, did not go to bed two hours until after bed time, crying, and arching his back, and wailing, and clinging, and doing everything but sleeping. In any case, bottomline, no sleep sack. Today is night #4 and I have boldly gone ahead with no sleep sack (none last night either) and (touchwood), so far so good.
My little bubu is growing up. tear..tear..