Sources close to the case claim he is having difficulty sleeping in a proper bed and wants to return to the wild.

据知情人士透露，Ray现在躺在正常的床上就睡不着觉，他想要回归自然。

youdao

Patients may not report difficulty sleeping, because brief interruptions in sleep often go unremembered in the morning.

病人也许不会报告说他们有睡眠困难，因为睡眠中简短的停顿往往在早晨的时候就不记得了。

youdao

First, difficulty sleeping.

第一，入睡困难。

youdao

Extended periods of stress have been linked to headaches, difficulty sleeping, stomach problems and skin disorders.

VOA: special.2009.03.24

These include difficulty sleeping at night and hot flashes, or sudden hot sweats.

VOA: special.2009.05.19

It is typical during initial post-trauma weeks to have difficulty sleeping, eating or focusing on other things.

WSJ: First Responders Seek Out Counseling as Attitudes Shift

Have you observed possible signs of pain in your infant or toddler, such as ear pulling, difficulty sleeping or unusual irritability?

CNN: Ear infection (middle ear)

In the traditional way of tragic heroes, Lorimer has difficulty sleeping.

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