sleeplessness

/ˈsliːpləsnəs/ 6
a temporary state in which you are unable (or unwilling) to sleep.

noun [具体名词]失眠

Strong coffee or tea late at night may cause sleeplessness.
晚上喝浓咖啡或浓茶可能引起失眠。

sleeplessness

-lessness ⌜ 缺乏某种特性或状态 - indicating the lack of a particular quality or state ~ ⌟
单词造句: