noun
sleep deprivation (Edo-period torture)
Archaic term for a torture method used in the Edo period, involving forced sleep deprivation.
江戸時代の拷問には「現責め」と呼ばれる睡眠妨害があった。
Among the torture methods of the Edo period was one called 'utsutsu-zeme', a form of sleep deprivation.