[Machine] Abu Hurairah, may Allah have mercy on him, used to stay up for one third of the night, and his wife used to stay up for one third of the night, and his son used to stay up for one third of the night when he slept. If one of them stayed up, the other would also stay up.
أَنَّ أَبَا هُرَيْرَةَ رَحِمَهُ اللَّهُ كَانَ يَقُومُ ثُلُثَ اللَّيْلِ وَتَقُومُ امْرَأَتُهُ ثُلُثَ اللَّيْلِ وَيَقُومُ ابْنُهُ ثُلُثَ اللَّيْلِ إِذَا نَامَ هَذَا قَامَ هَذَا