Amitriptyline
"I slept well as a young adult, but by my mid forties I was only sleeping about 4 hours per night, and only 2 or 3 hours if I was under stress. It finally got to where I having a lot of anxiety, grinding my teeth at night (with a sore jaw in the morning), and even started showing symptons of ocd. I started Elavil (Brand name in Canada) 10mg at bedtime six years ago, and it has made my life so much better. I sleep a solid 6.5 hours every night, and feel great. The teeth grinding and the ocd symptoms both stopped within the first 2-3 weeks. It took a few days to start taking effect. I also had a slight tremor during that first few days only. I had a somewhat dry mouth for the first two years or so, but not at all now. 10mg still works for me.."