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Sleep deprivation has been found to affect mood as well. [47] This effect is most pronounced in those that are consistently partially sleep deprived, which is the case for many college students. A meta-analysis of several studies regarding sleep deprivation suggests that the effects of partial sleep deprivation are underestimated.
Sleep deprivation also has a documented effect on the ability to acquire new memories for subsequent consolidation. A study done on mice that were sleep deprived before learning a new skill but allowed to rest afterward displayed a similar number of errors on later trials as the mice that were sleep deprived only after the initial learning. [46]
Before the shifted schedule only 16.4% of students reached 8 hours of sleep; after the implementation of the delayed start time 54.7% of students reached 8 hours of sleep. [30] In a cross sectional study using homeschooled students as a naturalistic comparison for public/private school students, homeschooled students who did not have to wake up ...
Two new studies indicate the importance of getting a good night's sleep — with one study saying a lack of sleep may be sabotaging the brain’s ability to keep intrusive thoughts at bay.
In the study, 70.6% of students reported obtaining less than 8 hours of sleep, and up to 27% of students may be at risk for at least one sleep disorder. [142] Sleep deprivation is common in first-year college students as they adjust to the stress and social activities of college life.
Given the significant impact of sleep deprivation on academic performance and the differing sleep patterns observed in students, educational institutions have begun to reconsider start times. 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.
After going through stages of REM-sleep, people with depression report feeling better, in a study done by Cartwright et al. [40] Conversely, a theory proposed by Revonsuo [41] states that when people experience negative emotions or negative events, when they sleep the REM-sleep replays such events, which is known as rehearsal. [39]
Adolescent sleep researchers have conducted studies to provide stronger empirical evidence for sleep recommendations. Fuligni and colleagues (2019) examined a sample of American adolescents and found that younger adolescents, especially those with elevated levels of internalizing symptoms, need more sleep in order to experience optimum levels ...