Renata Szymańska-Holt

Autonomic dysregulation keeps the nervous system too active at night, disrupting sleep architecture.

Gravity triggers the physical surge that mimics panic, not psychological fear.

Keep a symptom diary documenting positional heart rate changes to help clinicians spot POTS faster.

Multiple specialists are needed because POTS spans the heart and nervous system.

Multiple small stressors compound daily to trigger POTS flares, not a single cause.

A rare POTS subtype caused by broken norepinephrine clearance.