hypersomnia |
|
|
|
|
|
The hypersomnias are a type of dyssomnia and are characterised by excessive deep sleep, or a prolonged period of sleep. There are two main types of hypersomnia: sleep apnoea and narcolepsy. People with hypersomnias experience daytime sleepiness, irritability, headaches and impaired memory and concentration. |
|
|
|
|