I'm on T3 ONLY. On Monday I increased my dose from 30mcg to 40mcg. Since Monday I have had insomnia. I looked at the side effects on liothyronine and insomnia is one of them, and it tells you to change doses. I don't know whether to go up or down. My last blood test was done 2 weeks ago and my FT3 was 5.1. So I'm not hyper and don't have any hyper symptoms. In fact last night my legs were aching like i'd run a marathon. I had to take painkillers. I was on 10, 20 and 30mcg of T3 and I had no insomnia. I normally don't get insomnia. I normally sleep through the night for 9 hours.
I'm exhausted. It takes me 3 hours of tossing and turning to get to sleep. I tried reading last night (to help) but my eyes were too tired. Then after tossing and turning for 3 hours, I sleep for 3 hours and wake up! I feel like a zombie!