“Drowsiness, lethargy, lazy stretching,
Discontent, torpor after meals:
Because of this, here among beings,
The noble path does not appear.”“Drowsiness, lethargy, lazy stretching,
Discontent, torpor after meals:
When one dispels this with energy,
The noble path is cleared.”
SN1.16: Niddātandīsutta
Niddātandīsutta: Drowsiness and Lethargy - translated by Bhikkhu Bodhi
Translated by Bhikkhu Bodhi. Source text via SuttaCentral.