**A. Teenagers and adults have the same sleep cycle** 不符合常识:青少年因昼夜节律延迟(如褪黑素分泌较晚),睡眠周期通常比成人更晚,两者周期存在差异,因此错误。**B. Teenagers are fully awake at 10am** 过于绝对:研究显示青少年上午可能仍处于生理性困倦(因学校日程与生物钟冲突),但“完全清醒”无确切...
(a) What are sleep cycles? (b) How many cycles occur throughout the night?Sleep:Sleep is a state of consciousness that is altered from waking consciousness to a reduced perception of sensory information, reduction of muscle tension, and loss of voluntary muscle movement. The sl...
Within each sleep cycle, there are four stages of sleep. Three of them are called non-REM sleep, and the fourth is, well, REM sleep. You might be familiar with the phrase REM; it stands for Rapid Eye Movement, and it’s the stage where we dream. Non-REM sleep is sometimes referred...
(1). 根据后句when you fall asleep, you go through the four stages of the sleep cycle.当你睡着时,你会经历四个阶段的睡眠周期,可知前句讲的是睡眠工作, 因此B项"你曾经想知道睡眠到底如何工作的吗?"符合句意,故选B. (2). 根据后句you won't wake up easily. The slow eye movements continue ...
a) toddlers are attracted to shapes that resemble the human body b) toddlers are more active than at any other time in their lives, or, c) toddlers can grow up to three centimetres during sleep time a)幼儿喜欢与人体相似的形状,b)幼儿比他们生命中的任何其他时间都更活跃,c)幼儿在睡眠时间可以...
Light sleep makes up the largest stretch of the sleep cycle. On average, we spend 60% of our sleep between stages 1 and 2. How much deep sleep is normal? On average, about 10-20% of our sleep is deep sleep. So if you sleep 8 hours every night, 1-2 of those are deep sleep (...
There are four stages of sleep that the body experiences in cycles throughout the night.身体整个晚上会经历四个阶段的睡眠周期。On a good night, we cycle through these stages four or five times.正常的夜晚，我们会循环这些阶段四至五次。Stages one and two are light sleep.第一和第二阶段为浅眠期...
About Sleep Cycle With millions of daily active users and over two billion nights analyzed in more than 150 countries, Sleep Cycle is at the forefront of sleep technology. Our mission is to enhance global health through better sleep, and we are dedicated to helping you understand and improve ...
Fortunately, there are ways to break the cycle of sleeplessness.幸好,是有方法可以打破失眠的循环。 Managing the stress that leads to hyperarousal is one of our best-understood treatments for insomnia,管理导致过度觉醒的压力,是我们知道已知的治疗失眠的方法之一, ...
The Four Stages of the Sleep Cycle The two phases of sleep are broken down into four cycles. The first three cycles take place in non-REM, and the last stage happens during REM sleep. During these stages, a person’s body goes through multiple physiological changes that are vital for phys...