How many hours of sleep do a 6th grader need?
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A fifth grader should get 9 hours of sleep. Obviously, this is hard to maintain from a night-to-night basis. However, try to make sure a fifth grader gets 9 hours of sleep to …be at his/her best. (MORE)
Most teens need 8-9 hours of sleep, adults 7-8 hours and seniors need a little less, often 6-7 hours. That varies quite a bit depending on the person and other factors.
At least 6-8 hours of sleep. For every two hours of sleep you miss per night you can actually reduce your lifespan by one year. Each person however has to develop their own sl…eeping patterns, your body may need 8-9 to feel fully refreshed. (MORE)
What does it mean to "sleep like a baby?" Why do so many adults complain about sleep quality in midlife and older adulthood? This article explores the typical changes that peo…ple can expect in sleep as they grow older, along with suggestions about improving sleep quality and quantity. (MORE)
Sleep is essential to good heart health. Find out how many hours per night are necessary to reduce your risk of heart disease.… (MORE)
In Risk Factors
The normal need for between 7 to 9 hours of sleep each night is apparently required to prevent depressive symptoms from being triggered. Research from two new studies in the j…ournal of Sleep have found that the genetic potential for depression is activated by too little, or conversely, too much sleep. "Healthy sleep is a necessity for physical, mental, and emotional well-being," said American Academy of Sleep Medicine President Dr. M. Safwan Badr. "This new research emphasizes that we can make an investment in our health by prioritizing sleep."The first of these two studies looked at 1,788 adult twins. The research revealed that a gene seems to be activated by variation in sleep duration that links to depressive symptoms. The participants in the study were 894 same-sex twin pairs selected from the University of Washington Twin Registry and self-reported both their sleep durations and depressive symptoms. A total of 192 male and 412 female monozygotic (identical) pairs were compared to a control group of 81 male and 209 female dizygotic (fraternal) pairs for genetic factors.The monozygotic twins with an average of 8 hours of sleep per night showed a heritability of depressive symptoms of 27 percent. But when the total amount of sleep dropped to 5 hours a night the genetic factor increased to 53 percent. For those twins sleeping 10 hours a night the genetic influence on depression was 49 percent. "We were surprised that the heritability of depressive symptoms in twins with very short sleep was nearly twice the heritability in twins sleeping normal amounts of time," said lead researcher Nathaniel Watson, M.D., associate professor of neurology and co-director of the University of Washington Medicine Sleep Center in Seattle. "Both short and excessively long sleep durations appear to activate genes related to depressive symptoms.""The study's findings suggest that optimizing sleep may be one way to maximize the effectiveness of treatments for depression, such as psychotherapy," he said.In a second study of 4,175 children between the ages of 11 and 17 it was found that those who slept less than six hours per day were at risk of having a major depression. Alternately, having a major depression raises the possibility of being sleep deprived. This is the first research to demonstrate the reciprocal relationship between sleep deprivation and depression among adolescents. In other words, if adolescents sleep less they will get depressed, which in turn causes them to lose sleep. "These results are important because they suggest that sleep deprivation may be a precursor for major depression in adolescents, occurring before other symptoms of major depression and additional mood disorders," said lead researcher Robert E. Roberts, Ph.D., professor of behavioral sciences in the School of Public Health at the University of Texas Health Science Center in Houston, Texas. "Questions on sleep disturbance and hours of sleep should be part of the medical history of adolescents to ascertain risk."Watson NF; Harden KP; Buchwald D; Vitiello MV; Pack AI; Stachan E; Goldberg J. Sleep duration and depressive symptoms: a gene-environment interaction. SLEEP 2014;37(2):351-358Roberts RE; Duong HT. The prospective association between sleep deprivation and depression among adolescents. SLEEP 2014;37(2):239-244Compared to fraternal twins an identical twin is six times more likely to be a sleepwalker if their twin is.These studies support that investing in adequate sleep of 7-9 hours a night can help prevent activating symptoms of depression. (MORE)
More and more people seem to be getting less and less sleep. If you have been having difficulty falling asleep the enzymes the brain naturally produces become affected and thi…s can affect our emotions and mood. For some people not getting a full night's sleep can bring on symptoms of depression. (MORE)
Learn how research is showing a direct link between adequate sleep and the brain's ability to manage emotions and conflict in intimate relationships. There are many steps coup…les can take to ensure sleep is a comforting and consistent reality. (MORE)
Most of us spend about one third of our lives asleep, yet we are not consciously aware of what is happening during this time. Sleep is not a single, uniform state. This articl…e explains the variations in consciousness and the physical correlates of each stage of sleep. (MORE)
About 8-9 hours(: actually, they are supposed to need 10-12 but 8-9 does seem more reasonable a goal
human need 8-10 ours of sleep children need a little more 9-12 ours of sleep
You need 8 hours of sleep, and you have to be in deep sleep at 1-4 a.m.