B6 and Unisom before bed really seems to work :-) I was told to use it by a friend but had to contact my doctor and he gave the same idea.
I got horrible morning sickness with my pregnancies and it definitely affected my performance at school. My doctor prescribed me anti nausea pills which helped to reduce the nausea. The only thing you can really do is push through it and remember that in about a month-month in a half it will go away.
If it gets bad your dr can give you medicine to help you control it some...best wishes to you :))
You could try crackers and ginger ale. Keep them beside the bed and eat them before you get up. It helps me.