The brain hemispheres take turns sinking into the sleep stage characterized by slow brain waves.
大脑半球轮流进入以慢脑波为特征的睡眠阶段。
So what can we do to get more of this marvelous, mysteriously restorative sleep stage?
那么，我们能做些什么才能恢复这个奇妙而神秘的恢复性睡眠阶段？
Conclusion Apnea events happened most frequently in light sleep stage. The reason is still unclear.
结论睡眠呼吸暂停事件明显多见于浅睡眠期，具体原因有待进一步探讨。
The relationship between the sleep stage and the ultra-low frequency components of HRV is also considered.
在特征提取中还考虑了HRV中超低频分量和睡眠的关系。
Methods 68 normal volunteers were studied with polysomnography to confirm the sleep stage of the apnea events.
方法分析68例健康志愿者的多导睡眠图资料，确定睡眠呼吸暂停事件发生的睡眠时相。
The authors defined sleep fragmentation using an index of the number of sleep stage transitions per hour of sleep.
调查者使用每小时睡眠中睡眠时相变换的次数作为定义易醒的指标。
Avoid alcohol consumption which keeps people in a light sleep stage and reduces one's ability to reach REM sleep stages.
喝酒会使人浅睡并减弱完成深层睡眠的能力，所以不要喝酒。
For decades, researchers instead chalked up the vast variability between light and heavy sleepers to differences in sleep stage;
相反数十年来，研究者记录到深浅睡眠者在不同睡眠阶段的变化有很大不同。
The experiments, done on virtual EEG instrument, show that good results of sleep stage classification can be obtained by this method.
在采用虚拟仪器技术研制的虚拟式脑电图记录分析仪上进行了实验，结果表明，上述方法可以获得较好的睡眠分阶分析结果。
While REM is popularly thought of as the dream stage of sleep, it's not absolutely clear why this sleep stage is important, Dr. Gruber notes.
格茹博说，尽管REM普遍被认为是睡眠的做梦阶段，这个睡眠阶段为何重要的原因尚不是绝对清楚。
Results sleep apnea events were found in each different sleep stage. The events happened frequently in light sleep stage, most in stage 2.
结果睡眠呼吸暂停事件在睡眠各期均可出现，但多见于浅睡眠期，以2期最明显。
Results the bruxism episodes per hour decreased after wearing stabilization splint for 2 weeks, but the incidence of micro-arousal and the sleep stage did not change.
结果使用稳定牙合垫2周后，每小时磨牙事件比治疗前有所减少，微觉醒指数、睡眠结构变化差异无统计学意义。
The value of correlation dimension can reflect sleep stages after analyzing and simulating the sleep EEG, and then simulation forecast for NREM sleep stage was made which accorded with actual result.
以长程睡眠脑电数据分析和仿真为例，分析结果表明关联维的高低能够反映出睡眠的阶段，据此对非快速眼动睡眠期的仿真预测与实际结果相符。
Results: Patients with OSAHS had sleep structure disturbance obviously. Sleep stage 1and awakening time increased, but stage 3 + 4 and REM sleep decreased obviously. The sleep cycle wasn't sufficient.
结果：OSAHS患者1期睡眠明显增多，3 +4期睡眠明显减少，REM睡眠减少，夜间醒觉时间明显延长，睡眠周期不全。
Stage one sleep is very light.
在第一阶段，人的睡眠很浅。
In the next stage—REM sleep—we begin to breathe faster and our eyes move around quickly, but our bodies do not move.
下一个阶段又称为快速眼动睡眠阶段，我们的呼吸开始加快，眼球也开始快速跳动，但我们的身体却保持不动。
As with romance or sleep, you can't just will yourself into it-all you can do is set the stage, creating the optimal conditions for it to occur.
正如浪漫或睡眠一样，你不能只是自己希望进入其中——你所能做的就是做好准备，为它的出现创造最佳的条件。
Disturbance of the sleep cycle, which gives the disease its name, is an important feature of the second stage of the disease.
该病名称提示的睡眠周期障碍是疾病第二阶段的一个重要特征。
The control group spent about 19 percent of their sleep time in the REM stage, compared to about 17 percent for the ADHD group.
控制组在REM阶段的时间是总睡眠时间的19%，而患有adhd的研究组时间是17%。
But the greater the amount of stage 2 non-REM sleep, a lighter form of non-dreaming sleep, the better their performance, he found.
2期非REM睡眠的时间越长，受试者表现越好。 2期非REM睡眠是比较浅的无梦睡眠时间。
这被称为第一阶段睡眠。
Then comes 30 minutes of stage 2 sleep, which refreshes the hippocampus.
然后是30分钟的第二阶段睡眠，在此期间，“海马”得到唤起。
Bianchi tells Technology Review that ‘you can tell if someone is awake or asleep and which stage of sleep they are in purely based on breathing pattern.
Bianchi在TechnologyReview上说“你可以通过判断呼吸的模式来告诉一个人是醒着还是睡着或是他正处于睡眠的哪个阶段。”
Electroencephalograms, which measure electrical activity in the brain, have shown that this memory-refreshing capacity is related to a specific type of sleep called Stage 2 non-REM sleep.
测量脑电活动的脑电图显示，这种记忆转移的能力和一种叫作“第二阶段非rem睡眠”的特定状态的睡眠有关。
Alcohol may make you feel sleepy, but it keeps you out of that deeply restorative stage of sleep.
酒精会使人困倦，但是不利于睡眠阶段的精神复元。
However, the new research found that even before that stage, brains are already showing sleep-like activity that impairs them.
然而，新研究发现，即使在发生这个阶段之前，大脑已经具有类似睡眠行为，知觉已经削弱。
It involves a mask that goes over your eyes that flashes lights or emits a sound when you fall into the REM stage of sleep.
这产品有个面具，可以在你即将进入深层梦境的时候在你的眼部发出闪光，或者弄出一些声音。
It involves a mask that goes over your eyes that flashes lights or emits a sound when you fall into the REM stage of sleep.
这产品有个面具，可以在你即将进入深层梦境的时候在你的眼部发出闪光，或者弄出一些声音。
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