sleep onset

基本解释

Methods: The absence of the righting reflex was considered as the sleep onset and the duration of the loss of the righting reflex was recorded as the sleeping time.
方法：以翻正反射消失为睡眠开始的指标，至翻正反射恢复作为睡眠时间。
In a follow-up study with the virtual-skiing game Alpine Racer, 14 of 16 students reported seeing skiing images at sleep onset (as did three people who were merely observing the experiment.)
在一项用虚拟滑雪游戏《高山滑雪》（Alpine Racer）进行的后续研究中，16名学生中的14名报告说，他们在刚开始入睡时见到了滑雪的图像（3位只是观察了这个实验的人也是如此）。
Results Overlap syndrome had increased number of WASO(wake after sleep onset), fallen asleep the incubation period shorten, sleep apnea time was long, and the nocturnal hypoxemia was obvious.
结果重叠综合征患者觉醒次数增加，入睡潜伏期缩短，睡眠呼吸暂停时间长，夜间低氧血症明显。

This is a condition that causes the sudden onset of sleep paralysis — the loss of muscle tone that occurs when we sleep — during waking hours, often as a result of strong emotions.
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The sleep test also was normal, except for a delayed onset of rapid-eye-movement sleep, with unknown medical significance.
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