There’s no doubt that you need to get enough sleep to be healthy, and to have the best chance of fighting off certain diseases like Alzheimer’s and cancer. Getting too much, or too little, sleep may be bad for your heart, a new study suggests.
The amount of time a person sleeps has been linked to their risk of cardiovascular disease and premature death.
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Business Insider reports that, The research, published in the European Heart Journal, examined data on 116,000 people aged between 35 and 70 from 21 different countries.
After an average follow-up period of nearly eight years, researchers recorded 4,381 deaths and 4,365 ‘major cardiovascular events’.
Sleeping for 10 hours was associated with a 30% increased risk of dying, a 56% increased risk of stroke, and a 49% increased risk of cardiovascular disease, compared to seven hours.
Abnormal sleep is risky
Researchers from Keele University, the University of Manchester, the University of Leeds, and the University of East Anglia reviewed 74 studies, with a total of three million participants. They analysed the mortality risks with how much sleep duration and quality the participants got.
“Our findings have important implications as clinicians should have greater consideration for exploring sleep duration and quality during consultations,” said lead researcher Chun Shing Kwok from Keele University’s Institute for Science and Technology in Medicine.
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