Muslim (1909) narrated from Sahl ibn Hunayf (may well Allah be pleased with him) the Prophet (blessings and peace of Allah be on him) claimed: “Whoever sincerely asks Allah for martyrdom, Allah will trigger him to attain the standing with the martyrs, regardless of whether he dies in his mattress.” https://emilianoigoqu.blogkoo.com/jannah-firdaus-for-dummies-49892991