No. Not for some surgeons at least. Once you start cutting you may have to stay until the job is done so get good at holding it. In the The Way I Heard It with Mike Rowe podcast episode Dr. Rahul Seth talks about doing 12 hour surgeries. No breaks, no bathroom, constantly on his feet working.
https://www.iheart.com/podcast/867-the-way-i-heard-it-with-m...
Commercial pilots flying airliners generally have it a bit easier. As for military pilots flying tactical aircraft, well this song might give you an idea of what they face.