It’s good to see genuine recommendations on this path. I have seen many people, due to lack of information, gets into ego trip. I’m sure your article will help them.

In general, my advice to prevent ego identification is to be sincere and approach present moment experience (and not run away) in case of doubts.

For your sleep point, I would like to include that sleep does get deeper. But the duration of sleep varies person to person. Any long term issues with sleep is not a spiritual sign and one should re evaluate his/her spiritual practices.