noun, noun or participle which takes 'suru', intransitive verb
tossing and turning in bed; turning over in bed worrying
A yojijukugo describing restless sleep, often due to worry or anxiety. Used in literary or formal contexts.
心配事があって、昨夜は輾転反側して眠れなかった。
I had worries and spent last night tossing and turning, unable to sleep.
Standard kanji form for this yojijukugo.
Rarely used kanji form; 輾転反側 is the standard spelling.
寝返り refers to simply turning over in bed, without the nuance of worry or restlessness that 輾転反側 carries.
A yojijukugo derived from classical Chinese, combining characters for 'rolling', 'turning', 'reversing', and 'side', literally depicting restless movement in bed.