Astanga Hrudaya
प्रेष्याः प्रतीपतां यान्ति प्रेताकृतिरुदीर्यते । यस्य निद्रा भवेन्नित्या नैव वा न स जीवति ॥ ६८ ॥
Fatal signs of a person who doesn’t survive: He, whose attendants turn against him, in whom features of a cadaver appear, who sleeps always or does not sleep at all (even for a moment) does not survive.
english translation
preSyAH pratIpatAM yAnti pretAkRtirudIryate । yasya nidrA bhavennityA naiva vA na sa jIvati ॥ 68 ॥
hk transliteration by Sanscript