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：探讨一氧化氮（NO）对睡眠觉醒周期的影响及可能机制。
Objective To study the effects of nitric oxide(NO) neurons in reticular thalamic nucleus(RT) on sleep-waking cycle in rats.
目的研究丘脑网状核（RT）一氧化氮能神经元对大鼠睡眠-觉醒周期的影响。
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.
控制我们24小时睡眠和清醒生理周期的自然生物钟，生理的节奏很容易会被改变的时间表扰乱，他们深受光线和黑暗的影响。

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