> outside of a very small number of patients with serious, often hereditary sleep issues He is likely referring to FFI. This is a genetic disorder. You cannot

> outside of a very small number of patients with serious, often hereditary sleep issues He is likely referring to FFI. This is a genetic disorder. You cannot "catch" it. Your anxiety won't cause this. If you are the kind of person who "can't sleep because you stress about not sleeping", then you can ignore this, your sleep issues are due to anxiety. And the good news for people who have sleep issues due to anxiety: At some point, your body will win and force you to sleep.