Ключевые слова: adult, annoyed, apnea, bored, boredom, boring, busy, corporate, deprivation, deprived, disinterest, dull, energy, exhausted, fatigue, female, girl, glasses, hours, inattentive, indifference, lack, late, laziness, lazy, lifeless, morning, narcolepsy, negotiation, night, no, overworked, people, person, reaction, schedule, school, sign, sleep, sleepiness, sleepless, sleepy, student, study, tired, topic, vision, women, yawn, yawning,