asta-prahara krsna-bhajana, cari danda sayane
nama-sankirtane seha nahe kona dine
asta-prahara—twenty-four hours; krsna-bhajana—worshiping Lord Krsna; cari danda—four dandas (one danda equals twenty-four minutes); sayane—for sleeping; nama-sankirtane—because of chanting the holy name of the Lord; seha—that much time; nahe—not; kona dine—some days.
"They engage almost twenty-four hours daily in rendering service to the Lord. They usually sleep only an hour and a half, and some days, when they continuously chant the Lord's holy name, they do not sleep at all.
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