Ashtangasamgraha 3.109

3.109

hīnānāryātinipuṇasevāṃ vigrahamuttamaiḥ |

sandhyāsvabhyavahārastrīsvapnādhyayanacintanam ||

the service of low, ignoble, or excessively cunning people; conflict with superiors; / eating, intercourse, sleeping, study, and reflection during the twilight hours;