SAT GRE

insomnia

Definition

A sleep disorder characterized by difficulty falling or staying asleep.

中文 一种以难以入睡或保持睡眠为特征的睡眠障碍。

Example

"She suffered from insomnia and often stayed awake until 3 a.m."
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Related words

SAT antonym SAT abase SAT abdicate SAT abdomen SAT abduction SAT abet SAT abeyance SAT abject SAT abjure SAT ablution SAT abnegate SAT abnormal