Who says a habit of sleeping less than seven or eight hours will worsen the quality of health and shorten life? Recent research on sleep duration and mortality relationship shows, their usual rest for five hours every day have the endurance to live (survival) is good.
The study by scientists at the University of California San Diego School of Medicine for 14 years against the 450 female respondents aged 50 to 81 shows, those who have a habit of sleeping for five to 6.5 hours have aged long enough.
A recent study published the journal Sleep Medicine is different from previous research reports. Earlier this year, large-scale studies in the United States indicate that less than seven hours of sleep associated with the risk of heart disease. Even the other studies mentioned, those who slept less than six and a half hours more likely to die before the age of 65.
"The surprise was when sleep was measured objectively, the best survival among women from those who slept for five to 6.5 hours. Women who slept less than five hours or more than 6.5 hours are less likely to survive for 14 years of research, "said Daniel Kripke, professor of Psychiatry at the University of California San Diego School of Medicine.
In his research, Daniel and his team do a different approach. They do not do sleep measurements, such as by monitoring akitivitas previous research. However, they prefer the interviews reveal the habit of sleeping on the respondent.
Prof. Kripke says, this research could have dispelled fears of those who feel not enough sleep. "This means that women who slept only five to 6.5 hours do not have to worry anymore because the amount of sleep is proven consistent with an excellent survival," he said.
The study by scientists at the University of California San Diego School of Medicine for 14 years against the 450 female respondents aged 50 to 81 shows, those who have a habit of sleeping for five to 6.5 hours have aged long enough.
A recent study published the journal Sleep Medicine is different from previous research reports. Earlier this year, large-scale studies in the United States indicate that less than seven hours of sleep associated with the risk of heart disease. Even the other studies mentioned, those who slept less than six and a half hours more likely to die before the age of 65.
"The surprise was when sleep was measured objectively, the best survival among women from those who slept for five to 6.5 hours. Women who slept less than five hours or more than 6.5 hours are less likely to survive for 14 years of research, "said Daniel Kripke, professor of Psychiatry at the University of California San Diego School of Medicine.
In his research, Daniel and his team do a different approach. They do not do sleep measurements, such as by monitoring akitivitas previous research. However, they prefer the interviews reveal the habit of sleeping on the respondent.
Prof. Kripke says, this research could have dispelled fears of those who feel not enough sleep. "This means that women who slept only five to 6.5 hours do not have to worry anymore because the amount of sleep is proven consistent with an excellent survival," he said.
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