Why do I wake up in the middle of the night completely drenched in cold sweat?
1. Introduction Waking up completely drenched in cold sweat in the middle of the night is a profound physiological event clinically known as nocturnal diaphoresis. This symptom indicates a sudden, intense activation of the sympathetic nervous system during sleep. The body perceives an internal physiological threat—such as a sharp drop in blood sugar, a significant … Read more