Hope your NICU stay is over soon -- hang in there! I remember hobbling to the NICU with swollen feet and twinges from the scar to deliver milk after the C-sec. I wish there was a pump design that would work while we sleep! Try to have your pump & bottled water by your bedside, can your husband clean/sterilize your pump parts so they're ready to go?
It's hard to pull yourself out of bed, esp. at wintertime I would give myself incentives, e.g., a fav DVD in the laptop and chocolate croissants waiting by the pump. Oatmeal and chicken/tuna salad did help increase pump volume. Once you've pushed through two weeks of v. frequent pumping to establish your supply, you'll breathe easier. At home I night-nursed side-lying in bed, once the twins started sleeping more I pumped at 12 & 3 & 6 am. Don't lose heart; after disruptions I was able to increase my supply at 3, 6, and 9 mos.
I've read the more frequently you empty your breasts, not only will milk volume increase, but the fat and calorie content of your milk
also depend on the degree of breast 'emptiness'. This might suggest that nursing baby again soon after nursing or pumping is a good idea to stimulate supply and
give baby more fat calories. Here's the link: http://www.kellymom.com/nutrition/milk/change-milkfat.html