I was hospitalized a week for mania but when I was discharged, (on meds which had been adjusted 3 times while I was there), it became apparent over several weeks that I was nowhere near stable and I was still "flying" though not to the level where I required in-patient. I'd take a break from work for at least 3 weeks after hospitalization, just to make sure the meds are OK, and stay in close contact with the P-doc, (every 2 weeks), until you're somewhat confident about stability.