The symptoms of sneezing and runny nose when patients wake up in the morning are often the result of acute rhinitis and allergic rhinitis, as follows: 1. Acute rhinitis: Acute rhinitis occurs mainly due to cold when sleeping, or due to the infection of respiratory viruses. 2. Allergic rhinitis: Patients with allergic rhinitis are often exposed to cold air or allergic substances that cause allergic reactions in the nose, similar to the symptoms of acute rhinitis, and may also be accompanied by itchy eyes, watery eyes and other eye related allergic symptoms. Symptoms of allergy may be accompanied by itchy eyes, watery eyes, and other eye related symptoms.