Ginger tea is great for nausea, so is peppermint. There are supplements to help you sleep like Melatonin etc.
http://www.huffingtonpost.com/2013/09/11/natural-sleep-aids_n_3882229.html
http://www.doctoroz.com/blog/mao-shing-ni-lac-dom-phd/4-herbs-natural-pain-relief...