Assalamo alaykum
Al-Israa and Al-Mi’raj was a journey that involved both the body and soul unlike what some people say that it involved only the latter. The main proof is that Abu-Bakr got his title “As-Seddiq” (the most sincere) based on this incident. Moreover, there were several cases of people embracing Islam following this event. Furthermore, the disbelievers of Quraysh were in a state of chaos after this journey. Had this journey only involved the soul, none of this would have happened as Jibril (AS[5]) “Gabriel” used to come regularly to the prophet (SAWS) without any similar consequences.
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And Allah knows best
