I get up once or twice a night to take care of business.
Here’s what I do: a urinal.
I keep a urinal right next to my bed.
Any appropriate bottle will do.
I use a very weak flashlight to make sure things are going in the right direction.
When finished, right back to bed and right back to sleep. I hardly miss a snore.
In the morning, I just empty it in the toilet, rinse it out good, add a little dish detergent (or something that smells nice), add some water (just a touch), swish it around good, and put it back near my bed. All set for the next night.
So... a chamber pot.
One of my son’s is a trucker. He came to visit for the weekend and I dropped him off at his rig on Sunday. Since I hadn’t been inside before, he gave me the grand tour, unmade bunk and two one gallon bottles of amber liquid and all.