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Increasing sleep time can help reduce cardiometabolic risk – or the risk of heart disease and metabolic disorders – in people who do not get enough sleep, according to an badysis of all published studies on the subject.
the Journal of Sleep Research The badysis, led by researchers at the University of Cape Town, South Africa, included seven studies aimed at increasing sleep duration in adults, regardless of their intervention. These studies included a total of 138 participants who were either healthy, short-sleep, overweight, short-sleep, or pre-hypertensive or hypertensive patients. The duration of sleep extension interventions ranged from three days to six weeks and all successfully increased total sleep time from 21 to 177 minutes.
The sleep extension was badociated with better measures of insulin sensitivity and a reduction in general appetite, the desire for sweet and salty foods, at the same time. free daily sugar intake and the percentage of daily caloric intake of protein.
Given the overwhelming evidence that sleeping less than seven hours is badociated with increased cardiometabolic risk, it is surprising to note that so few studies have explored whether prolonged sleep can reduce cardiometabolic risk.
Lead author Rob Henst, Ph.D. candidate
He noted that this review highlights the need for such studies and provides guidance for future study designs.
Although we have focused on studies of sleep extension interventions in this review, it is now clear that poor sleep quality may be an equally important risk factor for cardiometabolic disease. Therefore, future studies testing interventions to improve sleep quality are also needed. "
Senior Author Dr. Dale Rae
Source:
Wiley
Journal reference:
Rae, D.E. et al. (2019) The effects of sleep extension on cardiometabolic risk factors: a systematic review. Journal of Sleep Research. doi.org/10.1111/jsr.12865.
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