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  • Title: Sleep patterns and sleep deprivation recorded by actigraphy in 4th-grade and 5th-grade students.
    Author: Li A, Chen S, Quan SF, Silva GE, Ackerman C, Powers LS, Roveda JM, Perfect MM.
    Journal: Sleep Med; 2020 Mar; 67():191-199. PubMed ID: 31935621.
    Abstract:
    OBJECTIVE: This study investigates sleep patterns of fourth- and fifth-grade students using actigraphy. METHODS: The study included 257 students enrolled in a Southwestern US school district who participated in a novel sleep science curriculum during the Spring 2016-17 and Fall 2017-18 semesters and met the study inclusion criteria. As part of this curriculum, participants underwent 5-7 days of continuous wrist actigraphy and completed an online sleep diary. RESULTS: Approximately two-thirds of the 9-11-year-old fourth- and fifth-grade students slept less than the minimum 9 h per night recommended by both the American Academy of Sleep Medicine/Sleep Research Society and the National Sleep Foundation. The sleep midpoint time on weekends was about 1 h later than on weekdays. There was a significant effect of age on sleep duration. Compared to 9-year old students, a larger proportion of 10-year old students had a sleep duration less than 8.5 h. Boys had shorter sleep duration than girls, and a larger percentage of boys obtained less than 9 h of sleep compared to girls. CONCLUSIONS: Insufficient sleep is a highly prevalent condition among 9-11-year-old fourth- and fifth-grade elementary students. Importantly, there is a difference between sleep patterns on weekdays and weekends which may portend greater problems with sleep in adolescence and young adulthood.
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