2015
DOI: 10.1542/peds.2014-2306
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Sleep Duration, Restfulness, and Screens in the Sleep Environment

Abstract: BACKGROUND AND OBJECTIVE: Associations of inadequate sleep with numerous health outcomes among youth necessitate identifying its modifiable determinants. Television (TV) has been associated with sleep curtailment, but little is known about small screens (eg, smartphones), which can be used in bed and emit notifications. Therefore, we examined associations of different screens in sleep environments with sleep duration and perceived insufficient rest or sleep.

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Cited by 196 publications
(186 citation statements)
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References 46 publications
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“…35 However, although both parent screen time and limiting TV time were associated with child sleep duration in univariate analysis, these associations were no longer significant after controlling for demographic characteristics. Results are mixed regarding the effect of physical activity on sleep duration and quality.…”
Section: Discussionmentioning
confidence: 91%
“…35 However, although both parent screen time and limiting TV time were associated with child sleep duration in univariate analysis, these associations were no longer significant after controlling for demographic characteristics. Results are mixed regarding the effect of physical activity on sleep duration and quality.…”
Section: Discussionmentioning
confidence: 91%
“…Adolescents have later bedtimes and wake times,42 with a recommended optimal level of sleep of 8.5–9.5 h 43. However, international trends indicate a prevalence of insufficient sleep among adolescents,44 often prompted by early school-start times, academic demands, social activities and events, caffeine consumption and screen-time at night 43 45 46. For youth athletes, the training and competition schedule further exacerbates the deficiency of sleep,47–50 with preliminary evidence indicating an increased likelihood of injury with insufficient sleep 51.…”
Section: Maturationmentioning
confidence: 99%
“…Beyond screen media use, the presence and number of screens in the bedroom is also associated with poor sleep quality [65, 66], delayed bedtime [58], and decreased sleep duration [54, 58, 61, 66] among children and adolescents. For example, 9- to 12-year-old children with screens in their bedrooms sleep less than peers without screens.…”
Section: Family Structure Household Factors and Sleepmentioning
confidence: 99%