Vaishnava Dharmashastra 22.75

22.75

kṣutvā suptvā bhuktvā bhojanādhyayanepsuḥ pītvā snātvā niṣṭhīvya vāsaḥ paridhāya rathyām ākramya mūtrapurīṣaṃ kṛtvā pañcanakhāsthy asnehaṃ spṛṣṭvā cācamet ||

Having sneezed, having slept, having eaten, going to eat or to study, having drunk (water), having bathed, having spat, having put on his garment, having walked on the high road, having discharged urine or voided excrements, and having touched the bones no longer moist with fat of a five-toed animal, he must sip water;