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 this is scientific american 60 seconds science.i am soufi bushiwik got a minute?    the mid-day nap is a preschool tradition, but is it necessary? some preschool plan to eliminate this downtime to feed in more teaching which could common the expense of learning,because the study suggests that these moons may help kids for attaining¹ information they learned earlier in the day,the work is published in plus one,to see how naps effect acdamic performance researchers taught 40 preschoolers between the ages of 3 and 6 to perform a memory task,after a few hours break time the children neither stay awake or got to nap, sleep for an average 77 minutes,although naping make no significant difference to filling its sleepiness,it did help enhance memory,when test later in the day ,students who had rested performed better,even the next day the children who had nap after the initial lesson still retain more information,the benefit was greatest for students who took naps regularly,not just during the study,which suggest schools may want to keep sleep on the sello vis,thanks for the minute for scientific american 60 science,i am sofi bushwik.