The idea is to have 4 proper nutritious meals and avoid snacking between meals. It will give you the following benefits;
1. Allows time for effective digestion
2. Allows time for effective metabolism
3. Enables you to reach and maintain healthy blood sugar levels
4. Assists with turning off off your hunger hormones and feel satiated for longer
If you snack between meals, you are burdening your digestive process. Your body is unable to repair, restore or even heal as you have disrupted this process of digestion that began the last time you ate.