1761 II. 9 His constitution..was weakened still more by the intemperance of his night-studies.
1878 T. Hardy II. iv. ii. 254 A surgeon..pronounced the disease to be acute inflammation induced by Clym's night studies.
1989 S. Chinodya (1990) xiv. 93 He..carved his name on desks, smoked in toilets, skipped night studies to raid the neighbouring farm, [etc.].