Stuck in the middle are a lot of exhausted parents hoping to make the right choice – especially since sleep deprivation in infants has been linked to behavioural and cognitive problems, not to mention its effects on mom and dad. New research on infant sleep appears to deal a blow to those in the cry-it-out camp. Penn State researcher Douglas Teti examined the role of emotional availability on infant sleep and found that regardless of a family’s night-time routine, infants with parents who were responsive and warm had fewer night wakings and an easier time drifting off.