Ключевые слова: ache, adults, anesthetic, back, bed, bedroom, cervical, chronic, concepts, disease, distress, dorsal, dusk, expressions, get up, girl, home, house, lie down, male, mattress, medical, medicine, morning, muscle pain, muscular, pain, painful, pharmacy, posture, problem, room, skeleton, sleep, spinal, spine, stress, vertebra, wake up, woman,