Mahājanakajātaka

Suttapiṭaka · Khuddakanikāya · Jātaka (2) · Vol. 28 · Section 463

[463] Sleep, sloth, yawning, discontent, and torpor after meals — these dwell lodged in the body; many indeed are the perils.

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.