What are some hypersomnia symptoms?

* Excessive daytime sleepiness (EDS). This is the most common symptom of hypersomnia. People with EDS feel an overwhelming need to sleep during the day, even when they have just woken up. They may have difficulty staying awake at work, school, or during other activities.

* Prolonged sleep. People with hypersomnia may sleep for more than 10 hours a night, even when they have not been sleeping. They may have difficulty waking up in the morning, and they may feel groggy and tired throughout the day.

* Difficulty waking up. People with hypersomnia may have difficulty waking up in the morning, even if they have slept for more than 10 hours. They may feel groggy and tired for several hours after waking up.

* Unrefreshing sleep. People with hypersomnia may not feel refreshed after sleeping. They may still feel tired and groggy, even after a long night's sleep.

* Difficulty concentrating. People with hypersomnia may have difficulty concentrating at work, school, or during other activities. They may feel forgetful and absent-minded.

* Mood changes. People with hypersomnia may experience mood changes, such as irritability, depression, and anxiety. They may also have difficulty controlling their emotions.

* Headaches. People with hypersomnia may experience headaches, especially in the morning.

* Muscle pain. People with hypersomnia may experience muscle pain, especially in the morning.

* Fatigue. People with hypersomnia may feel fatigued, even after a long night's sleep. They may have difficulty getting out of bed in the morning, and they may feel like they need to take naps throughout the day.