Hypersomnia: Is a state of excessive sleepiness which

Hypersomnia is a state of excessive sleepiness which can result in decreased functioning and affect performance adversely. Hypersomnolence is defined as an inability to stay awake and alert during major waking episodes, resulting in periods of irrepressible need for sleep or unintended lapses into drowsiness or sleep. Hypersomnia makes you feel extremely sleepy during the day — even if you get a healthy amount of rest at night. Hypersomnia is excessive daytime sleepiness, and it has many possible causes. For example, it may occur with sleep conditions, such as narcolepsy, or develop after a head injury. Idiopathic hypersomnia is a condition that causes people to be very sleepy during the day even after a full night of sleep. People with the condition have trouble waking up from sleep. They also may wake up confused and disoriented. Naps typically don't lead to feeling refreshed. Idiopathic ...