This article is about students' sleep prior to arrive at school. The ones in charge of the experiment were Judith A. Owens and colleagues, whom studied 201 students in grades 9-12 attending an independent high school in Rhode Island. For the purposes of the study, class start time was delayed 30 minutes, from 8 a.m. to 8:30 a.m. Additionally, students were required to complete an online survey before and after the change in school start time.
According to the study, after the delayed start time, "students reported significantly more satisfaction with sleep and experienced improved motivation. Daytime sleepiness, fatigue and depressed mood had reduced." It was also correlated with a significant increase in sleep duration on school nights of 45 minutes as well as a reduction in weekend oversleep.
Results: Students getting less than 7 hours of sleep decreased by 79.4%At least eight hours of sleep increased from 16.4% to 54.7%.
Students rating themselves as unhappy or depressed decreased significantly from 65.8% to 45.1%
Students visiting the Health Center for fatigue-related symptoms before the delayed start time was 15.3%versus 4.6%.
I believe that delaying start time in school is a big step towards having more sleep. The problem is that we would get out of school at a uncomfortable hour. In the case of Tegucigalpa, we leave home near the traffic hours. If time delayed, this would be dissolved, but we would get out of classes near the afternoon's traffic hours.
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| http://dropmeoffinharlem.blogspot.com/2008/04/i-hate-you-830-am.html |
This article is about how lack of sleep is a factor to low a student's GPA. The ones who was in charge
is Jennifer Peszka, PhD, psychology department chair at Hendrix College. The study was made on 89 students between 17-20 years old preparing to begin freshman year and 34 of those students as they completed their freshman year at a liberal arts college.
There was a resulting decline in the GPA during the transition from high school to college.
Results indicate that evening types had significantly lower first year college GPA (2.84) than morning and intermediate types (3.18). These evening-type students showed a greater decrease in their GPA during the transition from high school to college than their peers; their grades dropped by .98 GPA points, while others only dropped by .69 GPA points. These evening types also slept on average 41 minutes less than other students on school nights.I think that sleeping less makes the student lower his/her grades, because it disturbs the focus they have in class. Nevertheless, I have slightly bad sleep habits than last year, which is sleeping 6-7 hours most weekdays, but this year my average was way better than 8th and 9th grade.
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| http://www.quebecsorbonnenouvelle.org/ |
Article #6 http://www.sciencedaily.com/releases/2010/10/101025161023.htm
This article is about that people have different sleeping manners due genes stuff. There is a gene variant correlated to sleeping disorder narcolepsy, but some people with this gene don't have this disorder and some people without the gene can still have narcolepsy. The one in charge of the experiment wasNamni Goel, PhD, of the University of Pennsylvania School of Medicine in Philadelphia, with support from the National Space Biomedical Research Institute, the National Institutes of Health, the Institute for Translational Medicine and Therapeutics, and the National Center for Research Resources.
The study was with 92 adults without the gene variant, and compared to 37 adults who had the gene variant but did not have any sleep disorders. All of these adults were in a sleeping lab.The first two nights, they spent 10 hours in bed and were fully rested. The next five nights had chronic partial sleep deprivation, also known as sleep restriction, where they were allowed four hours in bed per night. During the remaining time, lights were kept on and participants could read, play games, or watch movies to stay awake.
Results: the people with the gene variant were sleepier and more fatigued while both fully rested and sleep deprived. Those with the gene variant woke up on average almost four times during the 5th night of sleep deprivation, compared to those without the gene variant, who woke up on average twice. Those with the gene variant also had a lower sleep drive, or desire to sleep, during the fully rested nights. Those with the gene variant also spent less time in deep sleep than those without the variant, during both the fully rested and sleep deprivation nights. During the 2nd fully rested night, those with the variant had an average of 34 minutes in Stage 3 sleep, compared to 43 minutes for those without it. During the 5th night of sleep deprivation, those with the variant spent an average of 29 minutes in Stage 3 sleep, compared to 35 minutes for those without it.
I think that the gene variant is somehow affecting people who have it, even though some don't have narcolepsy. With the gene variant, it makes people wake up more times and be more exhausted and with more sleep desire. |
| http://www.canada.com/Health/Sleep+deprivation+tied+weight+gain/1686030/story.html |
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