χαλᾶν
From LSJ
Ὕπνος πέφυκε σωμάτων σωτηρία → Incolumitas est corporis nostri sopor → Der rechte Weg ist zur Gesunderhaltung Schlaf
Greek > English (Woodhouse Verbs Reversed)
(see also χαλάω): loosen, relax, slacken, unbar, unfasten, be remiss in punishing, give way to, let loose, make allowance for, release one's grip