Sleep is very important for overall health. But unfortunately thanks to our hectic modern lifestyle most people suffer from lack of enough sleep. Stress and anxiety is a common feature in people’s lives today and this has led to an increase in sleep disorders. But if you do not get the required amount of sleep every night you increase your risk of many chronic ailments like hypertension and diabetes. Now a new study says that poor sleep on a regular basis can also contribute to the fatty arterial plaque buildup known as atherosclerosis. This can result in fatal heart disease.