What is cataplexy in narcolepsy and what triggers it?

Cataplexy is a key symptom of narcolepsy, which is a sleep disorder. It causes sudden muscle weakness or loss of control, often triggered by strong emotions. These emotions can include laughter, excitement, anger, or surprise.

Triggers of Cataplexy:

1. Laughter and Joy: The most common triggers are positive emotions such as laughter and joy.
2. Surprise: Sudden surprises can also lead to cataplexy episodes.
3. Anger and Frustration: Negative emotions like anger or frustration can sometimes trigger cataplexy.

People experiencing cataplexy might suddenly drop things, have their knees buckle, or even fall down. It usually lasts for a few seconds to a couple of minutes and is not dangerous by itself, but it can be startling or embarrassing. Understanding these triggers can help manage and anticipate episodes better.