If you want to lose weight keep the dinner lightweight. But how to keep dinner light, this is a big question. To do this you will have some nutritious food in the evening. The right time of evening snacks is between 4 and 6 pm in the evening. The reason for doing this is that our Hormone Cortisol flows in a natural cycle. It grows in the morning and is responsible for a good start with cleansing the stomach. By the evening, its level of downtime starts, which gives you a good night's sleep.