sleep disturbance
insomnia
true
UMLS_ICD9CM_2005_AUI:A0243733
SyOID:3766
SYMP:0000571
http://www.case.edu/EpSO.owl#Insomnia
agrypnia
symptoms
ICD9CM_2005:780.52
https://www.epilepsysociety.org.uk/7-top-tips-better-sleep-epilepsy-and-insomnia
Insomnia is a sleep disturbance characterized by prolonged and usually abnormal inability to obtain adequate sleep.
UMLS_CUI:C0029645