摘要: Each human being has an internal timekeeping mechanism. To date, over 100 so-called ‘circadian’ rhythms have been detected. Perhaps the most significant is body temperature. There apparent connection between this rhythm and efficiency with which we do things in course of working day. Within individuals, patterns discovered give credence to popular notions a ‘morning’ or ‘afternoon’ person, so on. Our memory changes from morning afternoon: short-term stronger morning, long-term afternoon; schools, students higher grades than who other time-of-day preferences. Therefore, strong case can be made support flexible time schedules. It reported that productivity went up on introduction such scheme. Employee stress seen decline also. When flextime was offered, parents small children took advantage benefit as well unmarried employees. The only drawback ensuring that, many individual variations preferences, needs company are fully met. If scheme devised, however, research suggests will increase.