He found them asleep.
Power of sleep
The most violent passion and excitement cannot keep even powerful minds from sleep; Alexander the Great slept on the field of Arbela, and Napoleon upon that of Austerlitz. Even stripes and torture cannot keep off sleep, as criminals have been known to give way to it on the rack. Noises, which at first serve to drive it away, soon become indispensable to its existence; thus a stagecoach, stopping to change horses, wakes all the passengers. The proprietor of an iron forge, who slept close to the din of hammers, forges, and blast furnaces, would wake if there was any interruption to them during the night, and a sick miller, who had his mill stopped on that account, passed sleepless nights until the mill resumed its usual noise. Homer, in his Iliad, elegantly represents sleep as overcoming all men, and even the gods, except Jupiter alone. (Christian Journal.)