I feel nauseated only when I sit up or move around. My temp is low (around 95-96) and I keep getting chills and hot flashes?

See your doctor! positional nausea can be related to medically important conditions in the brain. It can also be a sign of poor adrenal function. You should see your doctor about these symptoms promptly, so that appropriate examinations can be accomplished.
Need to see a doctor. The cause of nausea could be many reasons. You should see a doctor because it occur when you sit or move around. It could be inner ear, eye or neurological problem.