Stomach issues are typical short-term side effects and may very well go away.

However, if you are unable to sleep, then the medications CLEARLY are not helping the bipolar, because bipolar is very much dependent on sleep and the success of medications is often measured by how well the patient sleeps. If you are bipolar, indeed, and the medications keep disturbing your sleep, then you should not be on them, OR, the p-doc should give you something else to make you sleep.