Ключевые слова: activity, balance, biorhythms, circle, circular, concept, cycle, cycles, cyclical, cyclicity, daily, day, energy, experience, follow, fulfillment, goal, harmonious, health, healthy, integration, iteration, lifestyle, management, motion, movement, natural, night, passivity, performance, problem, process, productivity, progression, quality, repeat, rest, rhythms, ritual, routine, routines, satisfaction, schedules, sleep, time, turnover, vicious, work, working, worklife,