This is an evolutionary process. There are some right idiots calling themselves straight edge, I gotta say, get straight . It is a lack of being aware to one's fullest capacity and it covers the three realms of life. Its function is to serve as a basis for mistaken stubbornness, doubt and emotionality about the entities of reality. By making the cause of drowsiness its point of departure, the mind is agreeable to the positive, negative, indifferent, timely, untimely, appropriate, and inappropriate.
Drowsiness is related to bewilderment-erring.
Its function is to become the basis of slipping away from what must be done. It is a strong subjective attitude in which the perceptive organs which operate on the object are made to turn helplessly inward because of being preoccupied with the heaviness of body, little excitement, weariness, and a general haziness. Just as an intoxicated man, lost in his own mind-created distortions, is unable to judge or control his actions, without an awakening into true knowledge we can only continue to create problems for ourselves and others.