Ключевые слова: alarm, background, bedtime, calm, care, chemistry, clock, color, concept, cure, diagnosis, disease, disorder, dose, dream, drugs, health, hypnotic, illness, insomnia, jar, mask, medic, medication, medicine, nap, night, object, pharmaceutical, pharmacy, pills, prescription, problem, relax, remedy, rest, sedative, sickness, sleep, sleeping, sleepless, somnifacient, somniferous, somnific, soporific, symptom, table, taking, treatment, violet,