This could be due to the effects of our natural sleep-wake cycle, or circadian rhythm, the researchers suggest.
研究者表明，这是由于我们的自然睡眠-觉醒周期或者昼夜节律的影响。
Their sleep/wake cycle lengthened suggesting the brain mechanism that controls the timing of activity and rest had been affected.
它们的作息周期变长，表明控制作息时间的大脑机能受到影响。
Get active outdoors between 6:30 and 8:30 a.m.; it's the prime window to wake your body with sunlight, kicking off a healthy sleep-wake cycle.
早上6：30——8：30进行活跃的户外运动；这是通过阳光唤醒你身体，开启健康的醒睡周期的主要窗口。
Lack of light may upset your sleep-wake cycle and other circadian rhythms. And it may cause problems with a brain chemical called serotonin that affects mood.
缺乏光照有可能破坏你的醒睡周期和昼夜节律，还可能改变一种叫血清素的脑化学物质进而影响情绪。
“The SNC is where you have the axis for the sleep/wake cycle and the axis for all the endocrine glands that affect monthly reproductive rhythms, ” says Dr. Yan-Go.
SNC是睡眠/唤醒周期的轴心，也是影响每月生殖节律的所有内分泌腺的轴心。
The balance of PGD2 and PGE2 is critical to keep normal sleep-wake cycle.
PGD2和PGE2的平衡对正常睡眠-觉醒周期的维持十分关键。
These rhythms include blood pressure, body temperature, hormone level, the number of immune cells in blood, and the sleep wake cycle.
这些节律包括血压、体温、激素水平、血中免疫细胞的数量、睡眠觉醒周期循环等。
Walnuts are rich in melatonin, a neurohormone which regulates the circadian rhythm of your sleep-wake cycle and helps you to get the rest you need to face the day.
核桃含有褪黑激素——一种能调节昼夜周期节律的神经激素，能帮助你得到应对白天活动所需的休息。
Objective: By clinical research to study the relation between insomnia of nutritive Qi and defensive Qi disharmony syndrome and temperature changes in sleep - wake cycle.
目的：临床研究营卫不和型失眠与睡眠-醒觉周期体温变化的关系。
Objective: By clinical research to study the relation between insomnia of nutritive Qi and defensive Qi disharmony syndrome and temperature changes in sleep - wake cycle.
目的：临床研究营卫不和型失眠与睡眠-醒觉周期体温变化的关系。
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