Assertion: serotonin's effect | /r/HasProperty | noticed
Facets:
value: well
type: DEGREE
Source sentences:
text: In clinical studies, approximately 75% of patients saw an improvement in symptoms of depression by the second week of treatment; however, some patients may require at least four weeks for the full effects of trazodone to be noticed.
text: The effects of sleep on mood are well understood - both the length and quality of sleep are important in maintaining a good mood.