Excessive sleepiness known to make us sluggish and sloppy, which of course interfere with the performance in the office, work and school. Even for riders, sleepiness is a major threat to the safety of the trip.
People who tend to be sleepy too aggressive and emotional. No wonder if the sleepiness associated with student misbehavior in class, or there is research that says that women who get enough sleep will ensure marital happiness. Yes, sleep hygiene will also determine the emotional health and human interpersonal relationships.
