First things.
More sleep in a completely dark room.
NO metcon. No workouts that leave you feeling worse than you began them as the 2-hour-post-workout point.
Take some time off training.
Eat more, a lot more, of good stuff.
Those are the simple, free things that you can do.
At 24, you're likely just training yourself into the ground, not eating enough, and not sleeping (well) enough.
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