Too much sleep on a regular basis can increase the risk of diabetes, heart disease, stroke, and death according to several studies done over the years. Too much is defined as greater than nine hours. The most common cause is not getting enough sleep the night before, or cumulatively during the week.

What happens if you sleep 24 hours?

It's common to miss 24 hours of sleep. It also won't cause major health problems, but you can expect to feel tired and “off.” According to the Centers for Disease Control and Prevention (CDC) , 24-hour sleep deprivation is the same as having a blood alcohol concentration of 0.10 percent.

What is the side effects of sleeping too much?

Too much sleep — as well as not enough sleep — raises the risk of chronic diseases, such as , diabetes, anxiety and obesity in adults age 45 and older. Sleeping too much puts you at greater risk of coronary heart disease, stroke and diabetes than sleeping too little.