СПАСТЬ С ЛИЦА substandVPsubj: humanusu. past) to become thin in the face
X спал с лица — X's face became haggard (drawn)
X's face looked pinched.
Дети боранлинцев изнывали, томились, с лица спали, и некуда их было упрятать от духоты и изнуряющего зноя (Айтматов 2). The children at Boranly were miserable and tired, their faces drawn, and there was nowhere for them to escape from the oppressive, exhausting heat (2a).