sleeplessness
/ˈsliːpləsnəs/
📚
26528
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。
后缀: lessness
【noun】 缺乏某种特性或状态 - indicating the lack of a particular quality or state
原词: sleeplessness
是通过后缀 【lessness】 构成的派生词