I'm 22 years old and of good health, not sexualy active. lately during my sleep I get a very hard erection and my penis keeps discharging a white-ish liquid (in small drops) for some time, then it stops and my penis gets back to normal. It only happens when I'm sleeping not when I'm conscious. the liquid doesn't have any distinctive smell, and its a little sticky but not as much as sperm.
I noticed that this started to happen after I quit masturbation, is it normal or what exactly is going on with me?