Wow! I can imagine what you are going through because at a time I started experiencing it too, especially with that fatigued even when not stressed.
Good thing is, my sleep still comes at a point even when I don't want to sleep, my body crashes and I am forced to.
I am currently working at my sleep time, to sleep more especially after my first job. I can't continue risking transferring money in excess to avoid stories that touches the heart.😂
Thank you for your advice #dreemer.