ZMA & casein

I was taking a mix of whey & casein (as calcium caseinate) before bed every night (about 40g) and it helped as far as size & energy levels are concerned. Now I’ve started taking ZMA and stopped the protein drink before bed. My energy levels seem to have dropped off significantly so I’m looking for a way to still take the protein drink with the ZMA. Any ideas?

No biggie. I like a shot of Advanced Protein before bed myself. So I just take my ZMA sometime between my last solid meal (7-ish) and my pre-bed shake (10-ish), like maybe around 9.