sleep-waking cycle

基本解释

Objective: To explore the effect and the possible mechanism of NO on sleep-waking cycle.
前言：目的：探討一氧化氮（NO）對睡眠覺醒周期的影響及可能機制。
Objective To study the effects of nitric oxide(NO) neurons in reticular thalamic nucleus(RT) on sleep-waking cycle in rats.
目的研究丘腦網狀核（RT）一氧化氮能神經元對大鼠睡眠-覺醒周期的影響。
The natural internal clock that controls our 24-hour cycle of sleep and waking, circadian rhythms are easily upset by changes in schedule, and they're greatly affected by light and darkness.
控制我們24小時睡眠和清醒生理周期的自然生物鍾，生理的節奏很容易會被改變的時間表擾亂，他們深受光線和黑暗的影響。

Obesity increases the chances of developing sleep apnea, a condition that combines choking and waking in an exhausting, sometimes life-threatening cycle.
NEWYORKER: Up All Night