| Metadata | |
|---|---|
| ID | SYMP:0000582 |
| Name | hypersomnia |
| Definition | Hypersomnia is a sleep disturbance characterized by sleeping for excessive periods at intervals with intervening periods of normal duration of sleeping and waking. http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=hypersomnia |
| Xrefs | |
| Parent Relationships |
is_a sleep disturbance |
| Related Diseases |
has symptom |