Saturday, March 18, 2023

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    Sleep Deprivation Increases Risk Of Clogged Leg Arteries: Study

    Sleeping less than five hours a night is associated with a 74 percent increased risk of developing peripheral artery disease (PAD) compared with seven to eight hours of shut-eye, a study has found. The researchers noted that over 200 million people globally have PAD, where the vessels in the legs are clogged, restricting blood flow and increasing the risk of stroke and heart attack.

    “Our study suggests that sleeping for seven to eight hours a night is a good habit for lowering the risk of PAD,” said study author Shuai Yuan, from Karolinska Institute in Sweden. “Insufficient night-time sleep and daytime napping have previously been associated with a raised risk of coronary artery disease which, like PAD, is caused by clogged arteries,” Yuan said in a statement.

    The researchers noted that sleep problems are among the top-ranked complaints in PAD patients. There is limited data on the impact of sleep habits on PAD and vice versa, and the study aims to fill that gap. The research, published in the European Heart Journal Open, included more than 650,000 participants and was conducted in two parts.

    Also read: Overweight In Youth Increases Risk Factor For Blood Clot In Adult Life: Study

    First, the researchers analysed the associations of sleep duration and daytime napping with the risk of PAD. In the second part, they used genetic data to perform trials to examine the cause behind these associations.

    “Observational analyses are limited by reverse causality- meaning that if an association between sleep habits and PAD is found, we cannot be certain if sleep habits caused PAD or having PAD caused the sleep habits,” Yuan said. Taken together, the strongest evidence was for a short sleep, where the relationship with PAD went both ways.

    In an observational analysis of 53,416 adults, sleeping less than five hours a night was associated with a nearly doubled risk of PAD compared with seven to eight hours, the researchers said. This finding was supported by further analyses in 156,582 and 452,028 individuals. In the causal studies, short sleep was associated with an increased risk of PAD and, in addition, PAD was associated with an increased likelihood of short sleep.

    “The results indicate that brief night-time sleep can raise the chance of developing PAD and that having PAD increases the risk of getting insufficient sleep,” said Yuan. Regarding long sleep, in an observational analysis of 53,416 adults, sleeping eight hours or more per night was linked with a 24 percent higher risk of PAD compared with seven to eight hours.

    This finding was supported by analyses in two larger populations of 156,582 and 452,028 individuals. However, no causal relationships were found between long sleep and PAD, the researchers said.

    “More studies are needed on the relationships between lengthy night-time sleep, daytime napping, and PAD,” Yuan added.

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