1. I〔なまけて眠ること〕idle slumber
  1. II〔無為に暮らすこと〕 《文》 indolence;〔無気力〕lethargy
    • 惰眠をむさぼる
    • live in idleness/idle one's time away
    • その事件で彼は惰眠から覚めた
    • He was roused from his lethargy by the incident.