When the last ten nights of Ramadan came, the Messenger of Allah ﷺ used to tighten his izar and wake his wives up.
كَانَ رَسُولُ اللهِ ﷺ إِذَا دَخَلَ الْعَشْرُ الْأَوَاخِرُ شَدَّ الْمِئْزَرَ وَأَيْقَظَ نِسَاءَهُ قَالَ ابْنُ وَكِيعٍ رَفَعَ الْمِئْزَرَ