This document discusses nocturnal emissions, also known as nightfall. It explains that nocturnal emissions are a natural occurrence where semen is ejaculated during sleep, often associated with erotic dreams. While some see it as embarrassing, the document stresses that nightfall is nothing to worry about and does not indicate weakness. To prevent anxiety over nightfall, it recommends spiritual practices like chanting, exercise, healthy eating, and avoiding erotic stimuli before bed. Overall, the key message is that nocturnal emissions are a normal part of male sexuality.