250
Śrīmad-Bhāgavatam
[Canto 8, Ch. 24]
the water of devastation;  vikarṣan —contacting;  vicariṣyāmi —I shall travel;  yāvat —as long as;  brāhmī —pertaining to Lord Brahmā;  niśā —night;  prabho —O King.
TRANSLATION
Pulling the boat, with you and all the  ṛṣis  in it, O King, I shall travel in the water of devastation until the night of Lord Brahmā's slumber is over.
PURPORT
This particular devastation actually took place not during the night of Lord Brahmā but during his day, for it was during the time of Cākṣuṣa Manu. Brahmā's night takes place when Brahmā goes to sleep, but in the daytime there are fourteen Manus, one of whom is Cākṣuṣa Manu. Therefore, Śrīla Viśvanātha Cakravartī Thākura comments that although it was daytime for Lord Brahmā, Brahmā felt sleepy for a short time by the supreme will of the Lord. This short period is regarded as Lord Brahmā's night. This has been elaborately discussed by Śrīla Rūpa Gosvāmī in his  Laghu-bhāgavatāmṛta . The following is a summary of his analysis. Because Agastya Muni cursed Svāyambhuva Manu, during the time of Svāyambhuva Manu a devastation took place. This devastation is mentioned in the  Matsya Purāṇa . During the time of Cākṣuṣa Manu, by the supreme will of the Lord, there was suddenly another  pralaya , or devastation. This is mentioned by Mārkaṇḍeya Rṣi in the  Viṣṇu-dharmottara . At the end of Manu's time there is not necessarily a devastation, but at the end of the Cākṣuṣa- manvantara , the Supreme Personality of Godhead, by His illusory energy, wanted to show Satyavrata the effects of devastation. Śrīla Śrīdhara Svāmī also agrees with this opinion. The  Laghu-bhāgavatāmṛta  says:
madhye manvantarasyaiva muneḥ śāpān manuṁ prati pralayo 'sau babhūveti purāṇe kvacid īryate
ayam ākasmiko jātaś cākṣuṣasyāntare manoḥ