https://www.sleepassociation.org/sleep-disorders/more-sleep-disorders/sexsomnia/
https://www.webmd.com/sleep-disorders/features/sex-while-asleep
https://www.researchgate.net/publication/7215455_Somnambulistic_sexual_behavior_sexomnia
People who witness sleepwalkers, this means all types of sleepwalkers, they either see non responsive odd behavior or they see and think the person is awake when the person is asleep, even if the persons eyes are open and they speak, they are asleep.