A randomized controlled trial found that a calorie-restricted modified MIND diet increased antioxidant capacity and improved energy and emotional well-being in women with type 2 diabetes and insomnia symptoms. The study ties a structured dietary pattern to measurable changes in antioxidant defenses alongside patient-reported mood and energy outcomes. The dietary intervention is positioned as more than cognitive support, targeting oxidative stress and wellbeing endpoints in a population where sleep disruption and cardiometabolic risk often interact. The results are particularly relevant for clinical nutrition programs seeking measurable improvements beyond standard glycemic and weight outcomes. While broader conclusions depend on longer-term follow-up and larger samples, the trial provides a clinically actionable example of how diet protocols can be evaluated with both biological and patient-centered measures.