Mahabharata 3.144.10

कथं वेश्मसु गुप्तेषु स्वास्तीर्णशयनोचिताशेते निपतिता भूमौ सुखार्हा वरवर्णिनी

kathaṃ veśmasu gupteṣu svāstīrṇaśayanocitāśete nipatitā bhūmau sukhārhā varavarṇinī

Our plain-language meaning of this verse is waiting for scholar review.