Getting a denial letter is frustrating, but don’t panic. You have exactly 60...

https://speedy-wiki.win/index.php/How_Do_I_Explain_Fatigue_and_Low_Stamina_in_a_Way_the_SSA_Understands%3F

Getting a denial letter is frustrating, but don’t panic. You have exactly 60 days to file for Reconsideration using form SSA-561