Problem Bedwetting Please help me

Patient: Good evening Dear doctor I have a question very embarrassing for me and I hope you, answer My question is: I am 21 years old I have a problem bedwetting at night,though I went to several doctors and I temporarily for a number of tests they told me do not have any disease or infections, but he told me a doctor who diagnosed my case that Mthanta narrow, is a problem this is really narrow Mthanta or is inheriting because I have members of my family were like me? and whether my problem has a solution and what are the solutions? I hope to answer Thank you