This is a Sanskrit & English translation of https://suttacentral.net/sn1.16/pli/ms

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सम्युक्तनिकायः १.१६ — निद्रातन्द्रीसूक्तम्
saṃyuktanikāyaḥ 1.16 — nidrātandrīsūktam
Saṃyukta Nikāya 1.16 — Drowsiness and Lethargy

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“निद्रा तन्द्री विजृम्भिता, अरतिर्भक्तसम्मदः।
एतेन न प्रकाशते, आर्यमार्गोऽत्र प्राणिनाम्” इति।
“nidrā tandrī vijṛmbhitā, aratir bhaktasammadaḥ.
etena na prakāśate, āryamārgo ’tra prāṇinām” iti.
“Drowsiness, lethargy, yawning, discontent, and torpor after meals;
because of these, the noble path does not shine forth for beings here.”

“निद्रां तन्द्रीं विजृम्भिताम्, अरतिं भक्तसम्मदम्।
वीर्येणैतान् प्रणुद्य, आर्यमार्गो विशुध्यते” इति।
“nidrāṃ tandrīṃ vijṛmbhitām, aratiṃ bhaktasammadam.
vīryeṇaitān praṇudya, āryamārgo viśudhyate” iti.
“Having driven away drowsiness, lethargy, yawning, discontent, and torpor after meals with energy,
the noble path is purified.”