SIDS

New mom Maisha Watson uses one of the 20,000 cardboard boxes given out so far in New Jersey. She's glad to have a safe spot for her son to sleep. But some question the boxes' safety and effectiveness.

Infants should sleep in the same room as their parents for the first six months of their lives, and ideally, the entire first year. That's a key recommendation from the American Academy of Pediatrics.

People have been wrapping babies tightly in blankets just about forever. An analysis of existing data found that swaddling is safe if babies are put to bed on their backs.