Assertion: insomnia | /r/HasProperty | a symptom of another problem
Facets:
value: for many years
type: TEMPORAL
value: most of the time
type: TEMPORAL
Source sentences:
text: Most of the time, insomnia is a symptom of another problem, rather than its own illness.
text: For many years, insomnia was considered just a symptom of other issues, including depression, anxiety and schizophrenia.