I wet the bed!!! Wth?

So last night I woke up at 1am drenched in URINE! I somehow wet the bed and didn't even know it!!! What the heck? Here I am 28 years old and I randomly wet the bed. 
I can't even blame it on alcohol or that I have had a baby before and "leak" sometimes. This is embarrassing. Am I alone? Has anyone else experienced wetting the bed randomly??

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