Interpersonal conflict was most associated with sleep disturbances.

人际冲突常常会导致睡眠障碍。

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Sleeping in a cool room to avoid sleep disturbances from hot flashes.

睡在凉爽的房间里避免潮热引起的睡眠障碍。

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Sleep disturbances such as nightmares, screaming during sleep and bedwetting, persisting more than several days after the event

睡眠障碍，如在灾难发生后持续几天以上的发噩梦，梦中惊叫，尿床

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There are actually quite a lot of studies showing cellphone radiation associated with other events, like sleep disturbances.

FORBES: Can Cell Phones Really Alter The Way You Think?

Caffeine has, of course, also been linked to sleep disturbances in children, just as it is for adults.

FORBES: As Caffeinated Gum Hits The Shelves, FDA Jumps To Attention

They believe that sleep deprivation or sleep disturbances may affect the immune system's ability to function at an optimal level.

CNN: Study: Can more sleep help fight off colds?