Daytime vs. Nighttime Wetting: What Most Parents Don’t Realize The brain uses two completely different systems to control urination: one during the day, and another at night. That’s why bedwetting isn’t a "lazy" habit — and daytime accidents often have very different causes. In this short video, I explain the science in simple terms so you can better support your child. Understanding the difference helps you know what not to do — and what actually works. Watch, share, and tag a parent who might