Direct to indirect: He said, "I am tired".

Reporting verb ‘said’ past tense হওয়ায় ‘am’ সাধারণ নিয়মে ‘was’-এ পরিবর্তিত হয় এবং ‘I’ speaker অনুযায়ী ‘he’ হয়। তাই ‘He said that he was tired’ সঠিক; যেমন, He said, “I am happy” → He said that he was happy.