Assertion: bipolar disorder's period | /r/CapableOf | last for week
Facets:
value: at a time
type: TEMPORAL
value: during the manic phase
type: TEMPORAL
Source sentences:
text: These periods occur in cycles and must last for at least several days or a week at a time during the manic phase, and for at least two weeks during the depressive phase.
text: The high and low periods may last for hours, days, weeks, or even months.