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The seven components consist of subjective sleep quality, sleep disturbances, sleep duration, sleep latency, habitual sleep efficiency, use of sleep medications, and daytime dysfunction. The PSQI has a high internal reliability (Cronbach's alpha = 0.83). [43] The PSQI has been used in many studies assessing adolescent sleep quality.
Sleep deprivation has become hardwired into the military culture. It is prevalent in the entire force and especially severe for servicemembers deployed in high-conflict environments. [188] [189] Sleep deprivation has been used by the military in training programs to prepare personnel for combat experiences when proper sleep schedules are not ...
In most literature, sleep deprivation is further categorized into either acute sleep deprivation or chronic partial sleep deprivation. Chronic partial sleep deprivation is a form of sleep deprivation caused when one obtains some but inadequate sleep. Acute sleep deprivation is more widely known as the scenario in which one is awake for 24 hours ...
93% of teens in Sleep Number's 8-week study improved their sleep and performance by keeping a consistent sleep schedule, developing a bedtime routine, and managing light exposure1 MINNEAPOLIS ...
The majority of middle and high school kids in the U.S. are sleep-deprived. In fact, according to the CDC, nearly 60% of middle school kids and more than 70% of high schoolers aren’t getting ...
For instance, a school in New Zealand changed its start time to 10:30 a.m. in 2006, to allow students to keep to a schedule that allowed more sleep. In 2009, Monkseaton High School, in North Tyneside, had 800 pupils aged 13–19 starting lessons at 10 a.m. instead of the normal 9 a.m. and reported that general absence dropped by 8% and ...
Adolescent sleep phase delay "is present both across cultures and across mammalian species" and "it seems to be related to pubertal stage rather than age." [65] As a result, diagnosable DSPD is much more prevalent among adolescents. with estimates ranging from 3.4% to 8.4% among high school students. [66]
In the early 1990s, the University of Minnesota's landmark School Start Time Study tracked high school students from two Minneapolis-area districts – Edina, a suburban district that changed its opening hour from 7:20 a.m. to 8:30 a.m. and the Minneapolis Public Schools, which changed their opening from 7:20 a.m. to 8:40 a.m.