What are causes of adult bed wetting? trying to stop this from happening.

Are several, See MD: Some can be psychological. Others can be a sign of serious physical changes that require treatment. (a common example could be presentation of diabetes) A screening physical with associated labs can be an excellent start. This type of change in your life is new and potentially serious and should not be resorted to home remedies and self-diagnosis.

Could be prostate: At your age, you may find yourself having to urinate often, but have a hard tim starting. At night if you get the urge you might wet the bed. If that is the case, your prostate may be enlarged and you need to see your doctor to diagnose and treat you. I personally have gone through it, and am doing great after a procedure that the doctor will tell you about.