The Prophet ﷺ used to observe retirement (i'tikaf) to the mosque during the last ten days of Ramadan till Allah took him, and then his wives observed retirement to the mosque after his death.
أَنَّ النَّبِيَّ ﷺ كَانَ يَعْتَكِفُ الْعَشْرَ الأَوَاخِرَ مِنْ رَمَضَانَ حَتَّى قَبَضَهُ اللَّهُ ثُمَّ اعْتَكَفَ أَزْوَاجُهُ مِنْ بَعْدِهِ
(the wife of the Prophet) The Prophet ﷺ used to practice Iʿtikaf in the last ten days of Ramadan till he died and then his wives used to practice Iʿtikaf after him.
زَوْجِ النَّبِيِّ ﷺ أَنَّ النَّبِيَّ ﷺ كَانَ يَعْتَكِفُ الْعَشْرَ الأَوَاخِرَ مِنْ رَمَضَانَ حَتَّى تَوَفَّاهُ اللَّهُ ثُمَّ اعْتَكَفَ أَزْوَاجُهُ مِنْ بَعْدِهِ
'A'isha (Allah be pleased with her) reported that the Messenger of Allah (may peace he upon him) used to observe i'tikif in the last ten days of Ramadan till Allah called him back (to his heavenly home). Then his wives observed i'tikaf after him.
أَنَّ النَّبِيَّ ﷺ كَانَ يَعْتَكِفُ الْعَشْرَ الأَوَاخِرَ مِنْ رَمَضَانَ حَتَّى تَوَفَّاهُ اللَّهُ ﷻ ثُمَّ اعْتَكَفَ أَزْوَاجُهُ مِنْ بَعْدِهِ
[Machine] The Messenger of Allah ﷺ used to observe I'tikaf in the last ten nights of Ramadan until Allah took him.
أَنَّ رَسُولَ اللهِ ﷺ كَانَ يَعْتَكِفُ الْعَشْرَ الْأَوَاخِرَ مِنْ رَمَضَانَ حَتَّى قَبَضَهُ اللهُ ﷻ
Ibn 'Umar (Allah be pleased with both of them) reported that the Messenger of Allah ﷺ used to observe i'tikaf in the last ten days of Ramadan. (Using translation from Muslim 1171a)
أَنَّ رَسُولَ اللهِ ﷺ كَانَ يَعْتَكِفُ الْعَشْرَ الْأَوَاخِرَ مِنْ رَمَضَانَ
[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
The Prophet ﷺ used to observe retirement (i'tikaf) to the mosque during the last ten days of Ramadan till Allah took him, and then his wives observed retirement to the mosque after his death. (Using translation from Abū Dāʾūd 2462)
أَنَّ النَّبِيَّ ﷺ كَانَ يَعْتَكِفُ الْعَشْرَ الْأَوَاخِرَ مِنْ رَمَضَانَ حَتَّى تَوَفَّاهُ اللهُ ثُمَّ اعْتَكَفَ أَزْوَاجُهُ مِنْ بَعْدِهِ
The Prophet ﷺ used to observe retirement (i'tikaf) to the mosque during the last ten days of Ramadan till Allah took him, and then his wives observed retirement to the mosque after his death. (Using translation from Abū Dāʾūd 2462)
«أَنَّ النَّبِيَّ ﷺ كَانَ يَعْتَكِفُ فِي الْعَشْرِ الْأَوَاخِرِ مِنْ رَمَضَانَ حَتَّى قَبَضَهُ اللَّهُ»
[Machine] The Messenger of Allah ﷺ used to observe Iʿtikāf (spiritual retreat) during the last ten days of Ramadan until Allah took him. Then his wives observed Iʿtikāf after him. Abu ʿAbdul-Raḥmān narrated it from Al-Laith from Az-Zuhrī from Saʿīd as a Mursal Hadith.
أَنَّ رَسُولَ اللهِ ﷺ كَانَ «يَعْتَكِفُ الْعَشْرَ الْأَوَاخِرَ مِنْ رَمَضَانَ حَتَّى تَوَفَّاهُ اللهُ ثُمَّ اعْتَكَفَ أَزْوَاجُهُ مِنْ بَعْدِهِ» قَالَ أَبُو عَبْدِ الرَّحْمَنِ رَوَاهُ اللَّيْثُ عَنِ الزُّهْرِيِّ عَنْ سَعِيدٍ مُرْسَلًا
'A'isha (Allah be pleased with her) reported that the Messenger of Allah (may peace he upon him) used to observe i'tikif in the last ten days of Ramadan till Allah called him back (to his heavenly home). Then his wives observed i'tikaf after him. (Using translation from Muslim 1172c)
إِنَّ رَسُولَ اللهِ ﷺ كَانَ يَعْتَكِفُ الْعَشْرَ الْأَوَاخِرَ مِنْ رَمَضَانَ حَتَّى تَوَفَّاهُ اللهُ ثُمَّ اعْتَكَفَ أَزْوَاجُهُ مِنْ بَعْدِهِ
The Prophet ﷺ used to observe retirement (i'tikaf) to the mosque during the last ten days of Ramadan till Allah took him, and then his wives observed retirement to the mosque after his death. (Using translation from Abū Dāʾūd 2462)
أَنَّ النَّبِيَّ ﷺ كَانَ «يَعْتَكِفُ الْعَشْرَ الْأَوَاخِرَ مِنْ رَمَضَانَ حَتَّى تَوَفَّاهُ اللهُ ثُمَّ اعْتَكَفَ أَزْوَاجُهُ مِنْ بَعْدِهِ»