sleep AN.ii.48, AN.ii.50; AN.iii.251; Snp.926 (opp. jāgariyā), Snp.942 (see explⁿ at Mnd.423); Ja.i.61, Ja.i.192; Ja.ii.128
■ niddaṃ okkamati to fall asleep Vin.i.15 (niddā?); Ja.iii.538 Ja.iv.1; Dhp-a.i.9; Vv-a.65; Pv-a.47; ˚ṃ upagacchati id Pv-a.43, Pv-a.105, Pv-a.128.

• -ārāma fond of sleep, slothful, sluggish Iti.72 (+ kammarāma, bhassarata);
• -ārāmatā fondness of sleep laziness, sluggishness AN.iii.116, AN.iii.293 sq., AN.iii.309 sq.; AN.iv.25 (+ kamm˚, bhass˚); AN.v.164;
• -sīlin of drowsy habits slothful, sleepy Snp.96.

Vedic nidrā, ni + drā in Sk. drāti, drāyate, Idg. *dorē; cp. Gr. (hom.) ε ̓́δραχον, Lat. dormio