The Compendium of Caraka 6.28.15

6.28.15

rūkṣaśītālpalaghvannavyavāyātiprajāgaraiḥ/
viṣamādupacārācca doṣāsṛksravaṇādati//

Through dry, cold, scanty, or light food; excessive sexual intercourse and severe insomnia; / improper treatment; excessive depletion of the doṣas and blood;