Scientists discovered that three nights of poor sleep results in changes in the blood, which in turn elevates the risk of cardiovascular disease. Key takeaways from study ...

We’ve long known that a lack of sleep is bad for the heart – but scientists are now starting to understand exactly how it causes harm. In a new study from Uppsala University in Sweden ...

The men spent two sessions in a sleep laboratory, with controlled meals and activity levels. During one session, they got 8.5 hours of sleep for three consecutive nights.

According to new research from Uppsala University in Sweden, clocking up approximately four and a half hours of sleep for three nights in a row is enough to increase your risk of heart disease.

According to new research from Uppsala University in Sweden, clocking up approximately four and a half hours of sleep for three nights in a row is enough to increase your risk of heart disease.

The men spent two sessions in a sleep laboratory, with controlled meals and activity levels. During one session, they got 8.5 hours of sleep for three consecutive nights.

Most people need around eight hours of sleep each night to function, but a rare genetic condition allows some to thrive on as little as three hours. In a study published today in the Proceedings ...