Why one should have 5-7 pistachios with milk at night

5-7 pistachios, which is around 6 gms contains 35-45 calories, 1.5 gm protein, 4 gms healthy fats, 0.7 gms fiber, 0.5 gms sugars, 10-12 mg magnesium, and 60-70 mg potassium. 1 glass of milk, which is around 240 ml contains 150 calories, 8 gms protein, 8 gms fat, 5 gms saturated fat, 12 gms carbs, 350 mg potassium, 1.1 mcg vitamin B12, 24 mg magnesium, and 220 mg phosphorus.