Naps are Key to Positive Engagement in Toddlers

January 5, 2012 at 11:35 pm Leave a comment

Sleeping ToddlerA 2012 study from the University of Colorado Boulder confirms what most parents of two to three year-old toddlers instinctively know: missing a daytime nap results in “crankier” kids.   The study showed that, “toddlers between 2 and a half and 3 years old who miss only a single daily nap show more anxiety, less joy and interest and a poorer understanding of how to solve problems, said CU-Boulder Assistant Professor Monique LeBourgeois, who led the study.”

The facial expressions of children in the study were videotaped an hour after taking their regular nap, and on a different day after having missed their nap time.

The study showed nap-deprived toddlers completing the solvable puzzles had a 34 percent decrease in positive emotional responses compared to the same children completing similar puzzles after their usual midday naps. The study also showed a 31 percent increase in negative emotional responses of nap-deprived toddlers when they attempted to complete unsolvable puzzles when compared with puzzle-solving attempts after they had napped.

In addition, the study found a 39 percent decrease in the expression of “confusion” when nap-deprived toddlers attempted to put together unsolvable puzzles. “Confusion is not bad — it’s a complex emotion showing a child knows something does not add up,” said LeBourgeois. “When well-slept toddlers experience confusion, they are more likely to elicit help from others, which is a positive, adaptive response indicating they are cognitively engaged with their world.”

The research begs the question whether children who consistently miss naps are at a disadvantage in their development of emotional intelligence, or ability to retain what they’ve learned.  Children who are particularly negative may have difficulty making friends or creating positive relationships with caregivers.  “This study shows that missing even a single nap causes them to be less positive, more negative and have decreased cognitive engagement” said LeBourgeois.

The reason that sleep is so critical is still somewhat of a mystery, however research published in the September 2013 Journal of Neuroscience , as reported by BBC News suggests that brain cells that produce insulating myelin are boosted in REM sleep.  This could be one of many factors that contribute to the positive impact of sleep on brain function.


Entry filed under: Emotional Intelligence, Health, Research. Tags: , , , , , .

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