Thanks for replying so promptly. I'm slowly getting to work out the website etc. Small child required! The problems I'm going to have are not just changing, but what will work best with all the other meds I take . MS & Crohns. I need a lot of sleep, but not getting much now. Grumpy husband, shattered wife. There is just so much out there now. I know I don't want to take any more tablets... where now?