Yes, meal prepping significantly reduces decision fatigue during the week by eliminating the daily question of 'What's for dinner?' or 'What should I have for lunch?'. This frees up mental energy for other tasks.
Decision fatigue is a real phenomenon where the quality of your decisions degrades after making many choices. Each decision, no matter how small, depletes your mental resources. Meal prepping combats this by front-loading the decision-making process. Instead of deciding what to eat multiple times a day, you make those decisions once, typically on the weekend. This involves planning your meals for the week, shopping for the necessary ingredients, and then preparing those meals in advance. By having pre-portioned, ready-to-eat meals available, you eliminate the need to think about what to eat when you're already tired and stressed from work or other activities. This conserved mental energy can then be used for more important tasks or simply for relaxation. Furthermore, meal prepping often leads to healthier food choices, as you're less likely to grab unhealthy convenience foods when you already have a nutritious meal prepared.
Start small! Don't try to meal prep every single meal for the entire week right away. Begin by prepping just lunches or dinners for a few days to get the hang of it and avoid feeling overwhelmed.