My neurologist, (I'm 32 and have tension headaches and occipital neuralgia) increased my Gabapentin from 300 mg 3 times a day (total of 900 mg a day), to 600 mg in morning, 300 mg at noon, and 600 mg at night. Is anyone on this dose? I started this weekend and I've been finding myself falling asleep everywhere, I was having a FaceTime conversation with someone and all of a sudden was knocked out. Is this normal when increasing the dose?