There are many benefits to having an early dinner,” explains gut health expert and nutritionist Smriti Kochhar, who has compiled a list of the many benefits of eating early at night.Having an early dinner gives your digestive system rest throughout the night and proper functioning of the digestive system is very important for health.Your food digests better at night, as the secretion of acids and enzymes in your stomach and intestines decreases as the day goes on.