Bojjhasutta 3.2

3.2

Ahampajja imañca rattiṃ imañca divasaṃ uccāsayanamahāsayanaṃ pahāya uccāsayanamahāsayanā paṭivirato nīcaseyyaṃ kappemi—mañcake vā tiṇasanthārake vā.

I, too, for this day and night will give up high and luxurious beds. I’ll sleep in a low place, either a cot or a grass mat.