biorhythm

/ˈbaɪəʊˌrɪðəm/

a natural pattern of physical and mental changes that repeats over time

中文释义：生物节律

Night-shift work can disrupt a person's natural biorhythm.

夜班工作会扰乱一个人的自然生物节律。

Researchers study human biorhythms to understand changes in sleep and energy levels.

研究人员通过研究人体生物节律来了解睡眠和精力水平的变化。