This is so individual. There are many factors to consider. My husband recently took 20 vacation days owed him, then applied and is now on short term disability, then he will reapply for long term disability. It is all a process for him. He tried to work but he was exhausted, he had to travel and it was very difficult. So, then he was able to work at home on the computer and conference calling, and individual calls which is much of his job anyway. Writing got more difficult, more symptoms developed and he knew he had to stop working after a second opinion. The stress was hard on the ALS too...something to consider. Last but not least, it all takes time to apply for this, that, and all so don't leave it go. You will know when the time is right with all considered. God Bless you!