Nightfall occurs with the onset of puberty in the form of seminal discharge during the night. It happens involuntarily and is characterized by an involuntary loss of semen while asleep or unconscious. Nightfall is a common problem that hinders men from living life to the fullest. Nightfall is considered normal if it occurs in a controlled frequency which is about two nightfall per week. For teen males, the mean frequency of nightfall is approximately 0.36 times a week while for 40-year-old males, the nightfall mean frequency is 0.18 times a week. Nightfall, also known as nocturnal emissions or wet dreams, is a common occurrence among men. It happens during sleep when a man ejaculates without any sexual activity. While it's a natural process, understanding its causes, symptoms, and the available testing and treatment options can help address any concerns. In this article, we'll delve into the world of nightfall and provide you with valuable information on this topic. Causes of Nightfall: Nightfall can be triggered by a variety of ... Q1: What is the meaning of nightfall with respect to men? Nightfall is the involuntary ejaculation of semen during sleep, usually due to sexual dreams or built-up arousal.