You must be unable to do any "substantial" work (earning above a certain monthly limit).
Navigating (SSD) can be overwhelming, but having a clear roadmap can significantly improve your chances of approval. Whether you are applying for Social Security Disability Insurance (SSDI) based on work history or Supplemental Security Income (SSI) based on financial need, 1. Know the "Strict" Definition SOCIAL SECURITY DISABILITY
A strong application is built on concrete evidence, not just a doctor's note saying you "can't work". You must be unable to do any "substantial"
Your medical condition must significantly limit basic work activities like walking, sitting, or remembering instructions. or remembering instructions.