Because my mind will be racing before I go to sleep, making it harder to get to sleep, and then my dreams are really dull but repetitive and I wake up mentally

Because my mind will be racing before I go to sleep, making it harder to get to sleep, and then my dreams are really dull but repetitive and I wake up mentally frazzled and worn out. Almost as if I’ve mentally computed a long loop for hours. The other evening I did a small amount of work on a compiler I’m making and for ages all I could think was “compilers! So cool! Making those basic blocks! Yeah!”. It would be cool if I had a dream where I intuitively understood whatever I was designing, but my dreams aren’t that insightful…