=====Lethargy===== 
A condition characterized by extreme fatigue or drowsiness, or prolonged sleep patterns. 


A state of extreme torpor or apathy, especially with lack of emotion or interest; loosely, sluggishness, laziness. 
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[[Burnout]] is defined by [[lethargy]], [[pessimism]], constant [[complain]]ing, and [[indifference]] due to excessive [[work]], study, and activities.