He watched over her slumber for some time, but Nature proved to be too strong for him. For three days and three nights he had allowed himself neither rest nor repose. Slowly the eyelids drooped over the tired eyes, and the head sunk lower and lower upon the breast, until the man's grizzled beard was mixed with the gold tresses of his companion, and both slept the same deep and dreamless slumber.
Source: tatoeba (6310893)