Convenience: overnight oats are is convenient.  We could prepare them the night before and have a ready to eat, nutritious breakfast for the morning.

Nutrient rich: the overnight oats are typically made with whole rolled oats which is a good source of fiber, vitamin and minerals.

Improved Digestion: the soaking process makes the oats soften which makes it easier to digest compared to uncooked oats.

Sustained energy: oats give complex carbohydrates which releases energy gradually throughout the morning which helps you to stay full and energized.

Customization: overnight oats could customised. You can adjust ingredients to suit your dietary preferences and nutritional needs.

Source: https://rockycrane.com/web-stories/the-5-key-benefits-of-overnight-oats/