I have been having solid results using skullcap (American or Chinese and up to 3 grams nightly) in addition to 100 MG of tramadol.
I have idiopathic RLS and SIBO and have tried just about everything I could over the last 35 years. It was quite normal for me to average 3hrs of sleep per night, so I find the treatment remarkable to say the least. Skullcap is very sedating so if you try it, be aware that you should not drive while using it.
I hope this helps someone as much as it has helped me.