Research shows that people who sleep less calcification of the arterial blood vessels, which tend to cause heart disease.
Atherosclerosis is a third of those who are less than 5 hours of sleep per night.
The Journal of the American Medical Association to be tested 495 adults and found that the number of people with hardening of the arteries can be about 1 in 10 people with low sleep more overtime.
Experts say that getting enough sleep is important for heart health.
In the study, the volunteers, which was under investigation are twice was a CT scan to study the formation of calcium in the arteries of the heart. The first study in the baseline scan and 2 5 years after analysis performed.
They were also asked to complete questionnaires, a diary of their sleep and take the arm of the screen 6 nights, this serves to monitor and measure the movement in order to estimate the time it really was and indeed still asleep.
In the first cycle, with no experience in voluntary arterial calcification, but 5 years later, 61 people in the calcification of the arterial wall.
The calcification is associated with less sleep. The risk of people who regularly sleep more than 7 hours a day, every night is lower than those who slept less.
Study leader, Dr. Diane Lauderdale, University of Chicago, said there is a reasonable explanation for this relationship.
Relations with stress
First, there may be some as yet unidentified factor that is the cause of reduced sleep duration and increased calcification.
Or maybe also because it influences blood pressure, high blood pressure greater calcification and decreased arterial pressure during sleep.
Moreover, stress hormones, or stress such as cortisol, which has been associated with reduced sleep and the name of greater calcification may also play a part.
He said that while the temptation to reduce the hours of continuous sleep, there is strong evidence that sleep deprivation affects bad for your health.
"Although not demonstrated in a study to have less sleep causes coronary artery disease, it is safer to sleep at least 6 hours per night."
"It is unclear how sleep affects our risk for heart health, but this study confirms previous studies that sleep is enough to say, maintaining a healthy cardiovascular system," says Ellen Mason, British Heart Foundation.
"Sleep is very important in the repair process of our body, we encourage you to sleep and enough sleep."
"The consumption of alcohol to get up late and early in the morning showed that the quantity and quality of our sleep is enough."
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