Morning Sneezing: Immune System Is The Real Culprit Allergic Rhinitis is fundamentally an immunological condition. Your body's immune system, when weak, overreacts to common triggers, leading to disruptive symptoms. As defined by the American Academy of Allergy, Asthma & Immunology (AAAAI), it typically divides into two major types: Perennial, which can occur year-round (often causing daily issues like morning sneezing fits), and Seasonal, which flares up around specific triggers like heavy fog