Muhammad SAW already said as below, for whom good ISLAM practice please follow below;
 
EATING
DO NOT EAT FRUIT AFTER MEALS RICE, OTHERWISE
EAT OF THE PRIOR PAST, AFTER EAT RICE.
SLEEP 1 HOUR AFTER lunch.
NEVER no DINNER. CONSUMPTION OF AGE AND CHOLESTEROL IN THE BODY
WILL DOUBLE.
***
Do not eat meat together MILK
Do not eat together FISH & MEAT
Do not eat together FISH MILK
Do not eat chicken with MILK
Do not eat together FISH EGGS
Do not eat fish with lettuce
Do not eat together MILK VINEGAR
Do not eat fruit with MILK: - Cocktail