[Machine] The Prophet ﷺ used to observe the last ten nights of Ramadan in seclusion until Allah ﷻ took him.

أَنَّ رَسُولَ اللهِ ﷺ كَانَ يَعْتَكِفُ الْعَشْرَ الْأَوَاخِرَ مِنْ رَمَضَانَ حَتَّى قَبَضَهُ اللهُ ﷻ