four o'clock in the morning
and he fell back from drowsiness . At the end of an hour he called his servant , Souzi , asking for some medicine , then murmuring in a feeble voice : `` It is well . Now you can go . '' Toward four o'clock in the morning , Souzi and five men of the escort entered the doctor 's hut . David Livingstone , kneeling near his bed , his head resting on his hands , seemed to be engaged in prayer . Souzi gently touched his cheek ; it was cold . David Livingstone was no more .