Assessment of wording

An angelic word?

  Question What is the sourcing for the following tradition, is it Ṣaḥīḥ (authentic)? عَنْ سَهْلِ بْنِ سَعْدٍ قَالَ جَاءَ جِبْرِيلُ إِلَى النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ فَقَالَ يَا مُحَمَّدُ عِشْ مَا شِئْتَ فَإِنَّكَ مَيِّتٌ...