sn.1.16 Saṁyutta Nikāya (Linked Discourses)
Sleepiness and Sloth
“Sleepiness, sloth, and yawning,discontent, and grogginess after eating:
because of this the noble path
doesn’t shine for creatures here.”
“Sleepiness, sloth, and yawning,
discontent, and grogginess after eating:
when this is energetically fended off,
the noble path is purified.”