There are many reasons for daytime long wheezing and nighttime sleep without wheezing, which may be caused by heart disease, respiratory disease, neurological dysfunction and other reasons, and need to be analyzed specifically . 1. Heart disease: the most common is myocardial ischemia, ischemia and hypoxia aggravated by daytime activities, resulting in dyspnea, which can be relieved after rest, it is recommended to improve the electrocardiogram, cardiac ultrasound and other tests. 2. Respiratory diseases: for example, asthma, may be due to daytime exposure to indoor and outdoor allergens, such as pollen or certain foods, etc., resulting in coughing and wheezing, asthma is a kind of airway hyperresponsive disease, after removing the allergens or taking medication (eg, loratadine, etc.) can be relieved. 3. Phytoneurosis: Daytime shortness of breath can also occur. Most of the vegetative nerve disorder is due to psychological stress or mental stimulation after some of the syndrome, can affect a number of systems such as the respiratory system, circulatory system, etc., but there is no organic disease, relaxation, pay more attention to exercise, a healthy diet, can be relieved! There are many reasons for daytime wheezing and no wheezing at night, so it is recommended to go to the hospital in time to clarify the cause of the disease and actively treat it under the guidance of the doctor to avoid delaying the condition.