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.

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, researchers ...

A new study shows that getting just three nights of poor sleep in a row can start affecting heart health, and exercise may not be enough to offset its effects.

Nov. 4, 2011 -- Obesity, sleep apnea and behavior and learning difficulties can cause significant dysfunction in children, but a new study suggests these three problems interact with one another ...

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.

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 ...