人体的生理活动、行为也受其自身的生物节律支配,目前已成为被大多数人所接受的知识。二十世纪初便有人根据临床观察,发现了人的体力周期和情绪周期分别以23天和28天为一循环,以后又有人研究发现了人的智力周期是33天,这些周期性的变化是从一个人诞生之日起,直至支配到他的生命终结。根据这一理论,可绘制出生物节律曲线图。如图1所示,三条曲线分别对应体力、情 The body’s physical activity and behavior are also governed by its own biological rhythms, and now it has become accepted by most people. At the beginning of the twentieth century, according to the clinical observation, someone found that the human’s physical and emotional cycles are respectively one cycle of 23 days and 28 days. Later, another study found that the human intelligence cycle is 33 days. These cyclical changes are From the day of one’s birth until the end of his life. According to this theory, the biorhythm plot can be drawn. Shown in Figure 1, the three curves correspond to physical strength, love