At certain times during the day I get cold to the point I shiver and I shouldn't be cold and then I sweat. I can't sleep well at all, I feel stupid because I can't think, well I can but it takes effort. Oh and I'm on 30mgs once a day. I was taking it in the morning but the nausea was causing me to leave work by mid afternoon. I now take it just before noon and am able to stay at work all day.