Nope, but it makes sense you can't 'easily' go to sleep if trying to focus on remaining aware on staying in the 'in-breath' and keep at it, while you are at the same time trying to place your body to sleep... it's like going opposite ways from my perspective. I would also suggest to not make the breathing point something that is also a 'mind activity' meaning, that it becomes another point of focus that may actually prevent you from, for example, observing your mind, the rest of your body and general experience. That is then something that would defeat the whole purpose of what 'breathing' is supposed to be about.
To me the breathing in and out and making the pause in between is something I do consciously for some time if I am in a disposition to relax my body, or doing some physical movements similar to Tai Chi. But other than that, I don't simply because I would see it as having to focus on 'two things' at the time when it comes to 'being aware of my breath all the time' in that intent or focus, while actually living life and doing the usual things.
My suggestion is: keep it simple, rather ask yourself if there's something you are aiming to 'attain' from say 'being able to stay in that in-between moment with a pause, but to me at this stage doing it with awareness while doing some exercises is still challenging even physically, so I can't really fathom walking my day just 'focusing on breath' - then I would miss out a lot of everything else that I actually need to focus on when it comes to my inner experiences, thoughts, interactions, doings, activities, etc.
That's my two cents.
Some extra support: https://eqafe.com/p/breath-compilation