The separation of time into three segments is a mental model that has been accepted by the majority of society for a long time and, as a rule, without any reservations. Eight hours of sleep – one cannot but agree, as it is better than precarious insomnia. Eight hours of work: Why? Or why not? And eight hours of leisure time, as opposed to serfdom relieved by periods of leisure-time activities, more or less improves the physical and psychological resilience of an individual to perform additional work, does it not? Hey, are you awake yet?