CC Adi 10.102
- sārdha sapta-prahara kare bhaktira sādhane
- cāri daṇḍa nidrā, seha nahe kona-dine
sārdha—one and a half hours; sapta-prahara—seven praharas (twenty-one hours); kare—does; bhaktira—of devotional service; sādhane—in execution; cāri daṇḍa—about two hours; nidrā—sleeping; seha—that also; nahe—not; kona-dine—some days.
He engaged himself in devotional service for more than twenty-two and a half hours a day, and for less than two hours he slept, although on some days that also was not possible.