What Causes a Sudden Inability to Fall Asleep?

What Causes a Sudden Inability to Fall Asleep?

1. Introduction A sudden inability to fall asleep, known clinically as acute sleep onset insomnia, is most often triggered by a sharp spike in psychological stress or a rapid disruption in the body’s natural circadian rhythm. When the brain detects a sudden environmental, emotional, or chemical stressor, it floods the central nervous system with cortisol … Read more