Muslim (1909) narrated from Sahl ibn Hunayf (could Allah be happy with him) which the Prophet (blessings and peace of Allah be on him) reported: “Whoever sincerely asks Allah for martyrdom, Allah will cause him to attain the status from the martyrs, whether or not he dies in his mattress.” https://milouneqb.madmouseblog.com/10734983/about-jannah-firdaus