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1 .This is Scientific American 60-Second Science. I'm Sophie Bushwick. Got a minute?
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2 .The midday nap is a preschool tradition.
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3 .But is it necessary?
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4 .Some preschools plan to eliminate this downtime to fit in more teaching.
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5 .Which could come at the expense of learning.
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6 .Because a study suggests that the snooze may help kids retain information they learned earlier in the day.
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7 .The work is published in PLOS ONE.
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8 .To see how naps affect academic performance, researchers taught 40 preschoolers between the ages of 3 and 6 to perform a memory task.
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9 .After a few hours of break time the children either stayed awake or got to nap, sleeping for an average of 77 minutes.
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10 .Although napping made no significant difference to feelings of sleepiness, it did help enhance memory.
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11 .When tested later in the day, students who had rested performed better.
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12 .Even the next day, the children who had napped after the initial lesson still retained more information.
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13 .The benefit was greatest for students who took naps regularly, not just during the study.
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14 .Which suggests schools may want to keep sleep on the syllabus.
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15 .Thanks for the minute, for Scientific American 60-Second Science. I'm Sophie Bushwick.
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