Considering increasing from four meals to five a day

Since my stomach is small, I can't eat much at once,
but now that my monthly mileage has exceeded 200k, I feel hungry really often.
I eat an early dinner and then consume more carbohydrates (rice, rice balls, ramen, etc.)
between 8 PM and 10 PM,
but I think I need to supplement more carbohydrates between lunch and dinner.
I'm running so low on energy.
Breakfast-Lunch-Light Carbs-Dinner-Light Carbs
is the most exhausting way to eat.