Hope you find some relief.
I was experiencing similar symptoms in college, and self cured myself through: - diet shift and adjustment, keto and then carnivore specifically - shifting breathing to the nose: the sympathetic nervous system is activated through mouth-breathing, that leads to stress and anxiety all around bogging up everything from the digestive system, lymphatic system and more - happy to share more, my sleep schedule works best by following the sun and guarding myself from artificial lights exposure after
happy to share more as stated.