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Don’t miss: The most important research on sleep to come out this week

Oversleeping is harmful, but so is inadequate sleep. Here are some interesting facts about it based on recent studies.

fitness Updated: Jul 08, 2017 11:36 IST
Not getting enough sleep can double the chances of dying from heart disease or stroke.
Not getting enough sleep can double the chances of dying from heart disease or stroke.(Shutterstock)

A lot has been said about the importance of sleep. It is believed to help you avoid junk food, and help boost physical performance and cognitive function. But an excess of sleep or too little can be harmful for your health. Here’s what some recent studies done on the topic show:

Not getting enough sleep can double the chances of dying from heart disease or stroke. (Shutterstock)

1) Insufficient sleep can increase chances of death by heart failure.

Findings in the Journal of the American Heart Association says that not getting enough sleep can double the chances of dying from heart disease or stroke, particularly in people with risk factors like diabetes, obesity, high blood pressure and cholesterol.

Read the full story here.

Warmer temperatures can lead to additional nights of insufficient sleep. (Shutterstock)

2) Climate change may end up disrupting your sleep pattern.

Warmer temperatures could cause six additional nights of insufficient sleep per 100 individuals by 2050 and approximately 14 extra nights per 100 by 2099, said researchers from University of California-San Diego (UCSD) in the US. They found that anomalous increases in nighttime temperature by one degree Celsius translate to three nights of insufficient sleep per 100 individuals per month.

Read the full story here.

Social jet lag occurs when one goes to bed and wakes up much later on weekends than during the week. (Shutterstock)

3) Catching up on sleep over the weekend can increase risk of heart disease.

Research by University of Arizona in the US shows that each hour of social jet lag — which occurs when one goes to bed and wakes up much later on weekends than during the week — is associated with an 11% increase in the likelihood of heart disease.

Read the full story here.

4) Want healthier, fitter sperms? Study suggests you should sleep early.

Going to bed before midnight may be key to healthier and fitter sperm, a study led by researchers from Harbin Medical University in China has showed. Late bedtimes and inadequate rest are harmful because they increase levels of anti-sperm antibody, a type of protein produced by the immune system which can destroy healthy sperm.

Read the full story here.

Use of smartphones late at night can affect sleep quality. (Shutterstock)

5) Night smartphone use may lead to poor sleep and self-esteem.

Researchers at Griffith University and Murdoch University found that use of smartphones late at night may have low sleep quality, leading to poor mental health, reduced coping and self-esteem.

Read the full story here.

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