When we talk about heart disease prevention, we always stress on the importance of healthy diet and regular exercise. But now, we should also watch the number of hours we sleep during the night.
British researchers from the University College London Medical School in London conducted a study on 10,380 participants between 35 and 55 years of age, which found that people who sleep too little or too much could be at higher risk of mortality. The report was published in the United States in the December 1, 2007 issue of "SLEEP", the official journal of the Associated Professional Sleep Societies, LLC.
A decrease in sleep duration for people sleeping 6, 7 or 8 hours would have a 110 percent higher risk of dying of cardiovascular disease. On the other hand, an increase in sleep duration for people who sleep 7 or 8 hours would have a 110 percent higher risk of non-cardiovascular mortality.
The mortality rates were found to be lower for participants who initially slept 5 or 6 hours or less but then extended their hours of sleep. Meanwhile, higher levels of mortality for those participants who slept more than 8 hours a day. For this group of people, sleep restriction should probably be considered.
Based on the findings from the study, sleeping consistently 7 or 8 hours per night is considered optimal for health, in terms of prevention.
British researchers from the University College London Medical School in London conducted a study on 10,380 participants between 35 and 55 years of age, which found that people who sleep too little or too much could be at higher risk of mortality. The report was published in the United States in the December 1, 2007 issue of "SLEEP", the official journal of the Associated Professional Sleep Societies, LLC.
A decrease in sleep duration for people sleeping 6, 7 or 8 hours would have a 110 percent higher risk of dying of cardiovascular disease. On the other hand, an increase in sleep duration for people who sleep 7 or 8 hours would have a 110 percent higher risk of non-cardiovascular mortality.
The mortality rates were found to be lower for participants who initially slept 5 or 6 hours or less but then extended their hours of sleep. Meanwhile, higher levels of mortality for those participants who slept more than 8 hours a day. For this group of people, sleep restriction should probably be considered.
Based on the findings from the study, sleeping consistently 7 or 8 hours per night is considered optimal for health, in terms of prevention.
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