IME any food after dinner/sunset is an unwelcome circadian disruption. Poor sleep can have any number of causes--lopsided diet might be one of them but I'd make sure light, sound, temperature, caffeine, alcohol, etc. were sorted before tinkering with it.
Lots of: urban hiking, cycling, sprinting
Lots of: fresh meat, seafood, eggs, organs, tubers, starch fruits, vegetables, meat fat, dairy fat, oil fruits
Some: cured meat, dairy protein, sweet fruits, rice, pulses, tree nuts, oil seeds
Minimal: soy, refined proteins, sugar, liquid carbohydrate, grains, refined oils, peanuts