I opted for this and have seen a significant increase in what I pump while he’s at daycare in leas than a week.

Sleep is important but might be a challenge. Drink a lot of water. Do the best you can to eat nutritious food. I do oatmeal with walnuts, chia seeds, flax seed, sunflower kernel, pumpkin seed to get healthy fats in (and get the calories cuz I suck at eating when I get busy at work). A pump can make a difference. I get a lot more with my spectra than my Elvie. These may or may not help but they feel good while pumping (the warmth is nice imo)