| Metadata | |
|---|---|
| ID | SYMP:0000571 |
| Name | insomnia |
| Definition | Insomnia is a sleep disturbance characterized by prolonged and usually abnormal inability to obtain adequate sleep. http://www2.merriam-webster.com/cgi-bin/mwmednlm?book=Medical&va=insomnia |
| Xrefs | |
| Synonyms |
agrypnia [EXACT] |
| Parent Relationships |
is_a sleep disturbance |
| Related Diseases |
has symptom |