Kamasutra 2.8.38

2.8.38

viśrāntāyāṃ ca puruṣasya punar āvartanam/ iti puruṣāyitāni// bhavanti cātra ślokāḥ ---

There are also some verses on the subject as follows:

When the woman is tired, she should place her forehead on that of her lover, and should thus take rest without disturbing the union of the organs, and when the woman has rested herself the man should turn round and begin the congress again.