Tired, but not sleeping

My numbers are showing up in the "normal" range. My temperature is starting to regulate and I'm not burning up all the time. But my moods are worse. Food seems to play a major role in it, too. I'm tired, exhausted even and yet I can't calm down and lay down and go to sleep. Part of the problem is worry over bothering my husband while getting in and out of the bed. Part of the problem is concerning myself about the medicine I take at night to go to sleep. I was trying to lower the dosage and I think it was too low. Also, I wonder about how my menstrual cycle plays into all this. Normally, would I be having trouble sleeping anyway? The moon is full. I don't know. Just some confused musings from an overtired pup.