Hi, I take Mirtazapine 30mg at night along with Pregabalin and the two knock me out within the hour. I'm sleeping a lot less now I'm not taking Primidone (was prescribed after I developed a tremor on Pregabalin which has thankfully gone now). Worst side effect is the weight gain as it makes you crave sweet, sugary things. I was inhaling chocolate for the first few weeks and have put on at least a stone in 8 weeks but I'm only allowing myself sweet treats at weekends now.

Like Jacquaia above if I didn't get into bed shortly after taking it I'd fall asleep on the sofa and wake up around 4am feeling sore and fuddled.