Tuvaṭṭavagga

Vinayapiṭaka · Parivāra · Vol. 8 · Section 706

[706] Two bhikkhunīs lying down together under one spread and covering (ekattharaṇapāpuraṇā tuvaṭṭentiyo) commit two offences (āpatti): while they are lying down, in the act there is an offence of wrongdoing (dukkaṭa); when they have lain down, there is an offence entailing expiation (pācittiya).

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.