I've been getting them since I was around 13. Never knew what it was except I would wake up mid orgasm and it would take hours to finish. Fit days after my glutes were sore! I still get them (I'm 44 and married) but only 2-3 times per year.
Anyone else?
This article explains what I'm referring to! www.healthline.com/health/healthy-sex/wet-dreams#what-to-do