ὕπνος δεινὸν ἀνθρώποις κακόν → sleep is a terrible evil for humans (Menander, Sententiae monostichoi 1.523)
P. and V. ὑγιής.
expedient: P. and V. χρήσιμος, πρόσφορος, σύμφορος; see expedient.