What is the difference between nocturnal emission and uretheral discharge? i discharge during sleep when have an erotic dream without erection.

Here are some ...: What you've been experiencing is entirely normal, apparently from nocturnal emission during erotic dream. Known to most, all men have nocturnal erection for 3-5 times lasting 15-30 minutes over a sleep of some 8 hours, but without knowing it by themselves if not waking-up except the one in the morning - so-called peeing erection before urinating. So, you're ok; enjoy and live on.