The first point to rule out is that this symptom occurs during a cold period. If the dry and itchy throat is caused by a cold and resembles a cough symptom, you can take something corresponding to whether it is a wind-cold or wind-heat cold, and just take anti-cold virus medication for the symptoms. If it is normal to have this condition before going to bed, there may be several reasons. The first point is that you ate some drier types of nuts before bedtime, such as melon seeds, hazelnuts or pine nuts, etc. These foods can make your throat dry. This may be when breathing, breath makes the throat more dry and itchy, we should avoid eating this kind of food before going to bed. The second reason is that in spring, especially in the north, the weather is dry and the air inside the house is very dry. So the throat will be itchy because the moisture keeps taking away the breath. We can go at home to put a humidifier, through the humidifier to make the humidity of the surrounding environment higher. When we breathe, the moist air will not cause this symptom when it passes through this part. The third one is because of talking too much before going to bed, which leads to certain strain symptoms occurring in the throat and also dry and itchy situation. According to the above situations, we should reduce the occurrence of this behavior accordingly to slow down the symptoms of itchy throat and cough.