Waking suddenly with a racing heart, chest tightness, or fear can feel deeply unsettling. This article explains why nocturnal panic attacks happen and how the nervous system creates them.

Many people experiencing a panic attack believe they may be having a heart attack.
Understanding the differences between these two experiences can help reduce fear and guide appropriate medical decisions.

Panic attacks can feel overwhelming when they begin. Understanding how the nervous system reacts during panic can help you respond in ways that reduce the intensity of the episode.

Many people feel confused when panic attacks keep returning. Understanding the panic cycle can be the first step toward breaking it.

Panic attacks can feel sudden and overwhelming, with symptoms such as a racing heart, dizziness, or shortness of breath. Understanding what happens in the body during a panic attack can make the experience far less frightening.