Daytime always clear throat at night sleep is fine may be environmental factors, chronic pharyngitis, tonsillitis and other reasons. 1. Environmental factors: the daytime work environment is more dust, pungent odors and other stimulation of the throat feel uncomfortable throat, so always clear the throat, leaving the work environment at night, so sleep is fine. 2. Chronic pharyngitis: chronic inflammation of the pharynx leads to increased secretion and a feeling of foreign body sensation, so you always want to clear your throat during the day, and the secretion is reduced at night to alleviate the symptoms. 3. Tonsillitis: inflammation of the tonsils leads to pathological enlargement of the local tissues, feeling of foreign body sensation, due to daytime talking that is stimulated by undesirable factors, so always clearing the throat during the day, and at night to sleep and swallow less, foreign body sensation is reduced. The daytime always clear throat, sleep at night is fine, there may be other reasons, it is recommended to consult a doctor in a timely manner, to identify the cause of the disease and follow the doctor’s instructions for treatment.