Assertion: fatigue | /r/CreatedBy | lifestyle
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: In most cases, it's acute fatigue -- fatigue that occurs suddenly but lasts less than three months and is usually caused by lifestyle or environmental factors such as physical exertion, stress, lack of sleep, dehydration, or inadequate diet.
text: Tiredness can be caused by lifestyle.