The most common cause is not getting enough sleep the night before, or cumulatively during the week. This is followed by sleep disorders such as sleep apnea, idiopathic hypersomnolence, as well as depression. Preventing oversleeping: Get enough sleep, seven to nine hours a night.

Why am I sleeping too much?

The most common causes of excessive sleepiness are sleep deprivation and disorders like sleep apnea and insomnia. Depression and other psychiatric problems, certain medications, and medical conditions affecting the brain and body can cause daytime drowsiness as well.

Why do I sleep so long every day?

A number of health conditions can also lead to oversleeping and excessive daytime sleepiness: Sleep disorders, including sleep apnea, insomnia, and narcolepsy. Depression and anxiety. Obesity.