Absolutely none of these suggestions address root causes, they're all just workarounds on how to live with one's severely diminished capacity.

Try intermittent fasting, or a totally ketogenic diet for 3-4 weeks. If you exercise, try stopping. If you don't, try starting. Try vitamin B complex supplements. Try 50,000 IU of Vitamin D daily. Get your thyroid enzymes checked. Get your blood sugar checked. Switch jobs. Change your routine. Change your wake up time, or your bedtime. Stop (or start) eating before bed. Try polyphasic sleep.

There are lots of levers, and for a significant fraction of those so affected, vastly better solutions than these six can be found. You don't have to work around it - you can work to actively reduce it, if you find the right levers.