Many people do not know to take there is something called “oversleeping”, if you sleep for more than 9 hours, it is termed oversleeping. If you keep oversleeping for a long period of time, it can have negative effects on your health. Research has shown that spending more time in bed directly influence risk factors for many medical conditions. Sleeping too much has been linked to a higher risk of diabetes, heart disease, cognitive impairment, depression, obesity, stroke, and a greater risk of dying from a medical problem.
Oversleeping can be a symptom of a sleep disorder such as narcolepsy, obstructive sleep apnea, restless leg syndrome, and idiopathic hypersomnia. It could also be a result of a medical condition, use of certain medication, or the abuse of a substance.