核心词议：
adj. 失眠的；不休息的；警觉的；永不停息的
sleepless 基本解释
adj. 失眠的，睡不着的；不眠的，醒着的；无休止的；警觉的
速记方法
速记技巧 词根词缀法 sleep，睡觉，睡眠，-less，无，没有。
知识扩展
sleepless 变化形式
易混淆的单词： Sleepless
中文词源： sleepless 无眠的，失眠的 sleep,睡觉，睡眠，-less,无，没有。 sleepless
精选例句
1、 She looked pale and drawn after weeks of sleepless nights.
她经历了数周不眠之夜，看上去脸色苍白，形容憔悴。
2、 She was worn-out after three sleepless nights.
三夜未眠之后，她已筋疲力尽了。
常见考点例句：
- I often spend sleepless nights worrying about the market .
- 我经常因为担心市场而失眠。
- Thank you mr. king for another sleepless night .
- 多谢king先生，又是一个不眠夜。
- The study also found extreme anxiety has meant many people are distracted at work , enduring sleepless nights and even suffering rifts with their partners .
- 研究还发现，极度焦虑意味着许多人在工作时不能集中注意力或经常失眠，甚至和伴侣的关系会产生裂痕。
- Tiredness can feel a lot like hunger , and food won 't help if sleepless nights are causing daytime fatigue .
- 疲惫感能让人感觉更多的是饥饿，如果是晚上的失眠导致白天的困意和疲倦，那么饮食是起不了作用的。
- Frequently , too many of that generation had sleepless nights as they wondered why their parents didn 't love them enough to stay together .
- 这一代人中的太多人频频失眠，辗转反侧苦苦思索，为什么父母不能因为爱他而继续在一起。
