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To the Editor: The authors of the 3 articles^1-3 and the editorial⁴ that addressed infant sleep position seem to make 2 common assumptions. First is that parents "put" infants to sleep in a certain position. Few infants stay in 1 position once they are "put" to sleep, unless of course they are restrained, such as with tight swaddling. Most infants move during sleep, and when left unrestrained even newborns can change head position and move from side to back or from side to front.

The second assumption is that infants sleep alone and separate from parents and siblings. Cosleeping with parents is a common occurrence and has been studied with respect to sudden infant death syndrome (SIDS) risk reduction. Research demonstrates that sleep electroencephalograms of mother and baby show synchrony during cosleeping.⁵ This may protect infants from SIDS by providing a respiratory cue for the baby during the difficult periods . . . [Full Text of this Article]