Healthy Living
Better Sleep
Is Associated With Improved Academic Success
Getting more high-quality sleep is associated with better academic
performance, according to a research abstract
that will be presented at SLEEP 2009, the 23rd Annual Meeting
of the Associated Professional Sleep Societies. The positive
relationship is especially relevant to performance in
math.
Results indicate that higher math scores were related to greater
sleep quality, less awakenings and increased sleep efficiency.
Higher English and history scores were associated with less
difficulty awakening. Increased sleep-onset latency over the
weekend was associated with worse academic performance.
According to researchers at the University of Pittsburgh Medical
Center, it was surprising that although more and better sleep
produced overall improvements, different types of sleep measures
were related to different types of functioning.
"Sleep deficits cause problems for adolescents, but students differ
in their personal resources and in how chaotic their sleep-wake
schedules are. The more regular and predictable their sleep is,
the better they are likely to do when confronted with short-term sleep
deficits. Therefore, participants with better sleep overall may be
affected differently in a sleep condition compared to those who
have a more varying sleep / wake schedule."
The study involved data from 56 adolescents (34 female / 22 male)
between the ages of 14 and 18 years who had complaints of daytime
sleepiness and or insufficient sleep at night. Participants reported
their subject grades and overall academic standing. Sleep was
measured objectively with actigraphy and subjectively through
sleep diaries.
Higher math scores were related to less night awakenings, less
time spent in bed, higher sleep efficiency and great sleep quality;
there was also a trend for decreased sleep onset latency (SOL).
Higher scores in English were associated with less nighttime
awakenings. Increased SOL during the weekends was related
to worse academic performance.
According to the study, poor sleep and poor sleep habits are
associated with substance use, emotional problems, cognitive
problems and a general decline in daily functioning. Sleep
education may be a preventative tool to help increase awareness
of the importance of sleep and of the negative consequences of
poor sleep.
Authors of the study state that results provide overwhelming evidence
of the importance of sleep during a period of development that is
critical in adolescents and highlight the importance of the
development of sleep intervention programs for students in order
to improve existing problems with sleep and daily functioning.
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