διαγρυπνέω
From LSJ
ὀλιγαρχία δὲ τῶν μὲν κινδύνων τοῖς πολλοῖς μεταδίδωσι͵ τῶν δ΄ ὠφελίμων οὐ πλεονεκτεῖ μόνον, ἀλλὰ κτλ. → But an oligarchy gives the many a share of the danger, and not content with the largest part takes and keeps the whole of the profit (Thucyd. 6.39)
English (LSJ)
A lie awake, ἐν μακρῷ χρόνῳ νυκτὸς δ. Ar.Ra.931, cf. Luc.Nec.6, Porph.Abst.1.27; τὴν νύκτα D.S.14.105.
German (Pape)
[Seite 575] die ganze Nacht durch schlaflos sein, wachen, Ar. Ran. 931; Plut. Cat. min. 27; τὴν νύκτα, D. Sic. 14, 105.