Ashtangasamgraha 9.40

9.40

arddhatrirātrātsā sādhyā na sā sādhyā tataḥ param |

yathākālamato nidrāṃ rātrau seveta sātmyataḥ ||

śītāmbupiṣṭairnavakarparasthaistṛḍdāhahā sarvaśarīralepaḥ ||

rāsnākāyasthagolomīyuktaistailaṃ vipācitam ||

That [condition] is curable within three half-nights (a night and a half); beyond that, it is not curable. / Therefore, one should indulge in sleep at night at the proper time, according to habituation. / A plaster applied to the whole body, made of [substances] ground with cold water and kept in a new earthen vessel, removes thirst and burning sensation. / Oil cooked with rāsnā, kāyasthā, and golomī,