Tuesday June 19, 2018

Study: Sleeping For 7 Hours to Keep Your Heart Younger

Sleep duration coupled with excess heart age may prove helpful for communicating the cardiovascular risks and benefits associated with sleep duration

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Study: Sleeping For 7 Hours to Keep Your Heart Younger
Study: Sleeping For 7 Hours to Keep Your Heart Younger. Pixabay
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Sleeping for seven hours a day may reduce the age of your heart as well as decrease the risks for cardiovascular disease, say researchers.

The study showed that excess heart age is the lowest in adults who sleep seven hours a night.

Sleeping times less than or greater than seven hours were associated with increased excess heart age, while short sleepers had the highest elevations in excess heart age.

Sleep duration coupled with excess heart age may prove helpful for communicating the cardiovascular risks and benefits associated with sleep duration.

“These results are important because they demonstrate a quantitative method for the inclusion of sleep duration in the establishment and communication of cardiovascular risk for individuals,” said Julia Durmer from the Emory University in Georgia, US.

The study, published in the journal Sleep, included data from 12,775 adults aged between 30-74 years.

Representational image.
Representational image. Pixabay

They self reported their sleep duration which was classified into five categories — five hours or less, six, seven, eight, nine and/or more hours of sleep.

The team used sex-specific Framingham heart age algorithm to calculate each individual’s heart age and used multivariable linear or logistic regression to examine the association between sleep duration and excess heart age.

The results showed that mean adjusted excess heart age was lowest among adults who reported sleeping seven hours per 24-hour period.

Also Read: Healthy Sleep Key to Ward off Depression Later

“This could have utility in the clinical care of patients with cardiovascular risk, and for public health researchers interested in adding a sleep metric to future studies,” Durmer said.

According to the US-based National Sleep Foundation, people who do not sleep enough are at higher risk for cardiovascular disease and coronary heart disease-regardless of age, weight, smoking and exercise habits.

Sleeping too little causes disruptions in underlying health conditions and biological processes like glucose metabolism, blood pressure and inflammation. However, the same may hold true for over sleeping. (IANS)

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Can Sleeping More Affect Your Heart?

While sleeping more raised triglycerides levels in both men and women, in women it led to higher waist circumference, blood sugar as well as lower levels of "good" cholesterol

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Can Sleeping More Affect Your Heart?
Can Sleeping More Affect Your Heart? Pixabay

If you thought that only less hours of sleep would affect your health, then you are wrong. Sleeping more than 10 hours per day is also associated with metabolic syndrome, raising the risk for heart diseases, according to a new study.

Those who slept for over 10 hours daily were at risk of elevated waist circumference, high triglyceride levels — a type of fat, low levels of “good” cholesterol, hypertension as well as high fasting blood sugar — referred to as metabolic syndrome and associated with increased risk of cardiovascular diseases.

While sleeping more raised triglycerides levels in both men and women, in women it led to higher waist circumference, blood sugar as well as lower levels of “good” cholesterol.

Representational image.
Representational image. Pixabay

Conversely, getting less than six hours of sleep was associated with higher risk of metabolic syndrome in men and higher waist circumference among both men and women, researchers said.

“This is the largest study examining a dose-response association between sleep duration and metabolic syndrome and its components separately for men and women,” said lead author Claire E. Kim from Seoul National University College of Medicine in South Korea.

Also Read: Study: Sleeping For 7 Hours to Keep Your Heart Younger

The study, published in the journal BMC Public Health, included data from 1,33,608 participants aged between 40-69 years. The results showed that the prevalence of metabolic syndrome was just over 29 per cent in men and 24.5 per cent in women.

“We observed a potential gender difference between sleep duration and metabolic syndrome, with an association between metabolic syndrome and long sleep in women and metabolic syndrome and short sleep in men,” said Kim. (IANS)