Sleeping normally at night but uncomfortable throat during the day may be related to physiological factors, or may be caused by allergic pharyngitis and other reasons. 1. Physiological factors: in the daytime due to the work need to talk more, and busy work and neglected to drink water, due to drink too little water, talk too much, and even dust, dry environment stimulation, may cause discomfort in the throat during the daytime, and at night when you return home, out of the poor working environment, by drinking warm water, eat some fruits, in the night sleep is normal. 2. Allergic pharyngitis: If there is a history of allergic pharyngitis, in the daytime by the influence of environmental factors, such as contact with environmental dust, pollen and other substances, is likely to cause allergic pharyngitis flare-ups, will cause discomfort in the throat during the day. At night, when you sleep, you are not exposed to allergens, which is normal. Sleeping at night but uncomfortable throat during the day may be caused by other reasons, and if the symptoms recur frequently, you should consult a doctor as soon as possible.