In this video the research quoted is based on clinical studies and looks at how kidney function, bladder sensitivity, hormone rhythms, and hydration habits all interact to affect your sleep.
See this video from Urologist Dr William Li on the Eat to Heal TV YouTube channel: https://youtu.be/s72I8RPTP7I?si=D98AtmNEX6FBChrL
Of course this is not the whole picture - pelvic floor exercises are also key. Another useful article on this issue is at: https://www.verywellhealth.com/managing-urinary-changes-after-prostate-cancer-treatment-11901857