How to manage nighttime incontinence?

We use an overnight depends and add an additional pad inside for mom.
I’m not sure who your caring for but there is also an exterior female catheter - it’s called a purewick by Liberator Medical. It lays on the outside and uses a small vacuum. Mom has used it for over 2 years at night and most days it does catch 90-95% of the urine - keep mom dry.
best of luck

Northshore briefs- they have a variety of styles and absorbencies, so something should work.

On top of what cwillie has suggested, you can use a plastic urinal for overnight, or put a bedside commode next to the bed. You can also put a booster pad in his diaper as well, to try and absorb more of the pee, or use a condom catheter or some other type of catheter.
A urologist can also prescribe medications for over active bladder, along with putting Botox in the bladder as well, as that's supposed to help with an overactive bladder.
It's tough I know. We tried everything for my husband, and eventually upon the recommendation of his urologist had a supra pubic(permanent)catheter put in. That was beyond a Godsend, as we were both finally able to sleep through the night without having to get up every hour for my husband to pee. I wish you the very best.

Overnight rated incontinence briefs or pullups, disposable or washable bed pads and a fluid proof mattress cover.