我的一個老外同事有睡眠問題，要了一個配方，後來她告訴她認為有效，並說她不喜歡藥丸

Of course, she doesn't spend as much time as I do. I am that type of person - if I decide to do something or try something, I will do it well.

That's why I said if he is interested, that means he has to really do it, try it. Not just 10 min per day. :)