I have had such a similar response to Letrozole. One difference: I always slept well; I could nap in the day and sleep 8 hours that night. Now I'm an insomniac, waking at 2, 3 or 4 -- one time I was awake from 12:30 onward. I take vitamin D, magnesium and zinc with Letrozole, usually at night because, and this is ironic, I felt so tired and dragging during the day when I took the pill in the morning. Nothing worked. I tried melatonin, Valerian (pill and tea form), melatonin and Valerian in the same pill, antihistamines (be careful, Benadryl is extremely addictive). Each would work for about 5 days, then lose effectiveness. I'm constantly trying something different with no long term solution yet. Still looking....
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