I had a female co-worker ask me this question yesterday strangely enough. I take stims. I told her I didn't know of anything, so bump.
Have you tried strong nootropics like Noopept & phenylpiracetam? May keep you up as well or may have little to no effect. They are notoriously hit or miss. I train in the evening after long stressful work days. I find phenylpiracetam & Noopept to be very useful in dealing with the mental fatigue pre-workout in the evenings but I also take caffeine and ephedrine with them. DLPA (DL-phenylalanine), ALCAR, CDP choline, tyrosine, low dose (100mg) caffeine, theanine. Maybe try to find some synergistic combination along those lines that has some effect. None of that would do anything for me personally but some claim it works for them. Lift Mode has real phenylpira and Noopept for cheap. Need a mg scale if you don't have one, cheap on eBay.
Rex.