Sweating on the neck while sleeping has the following possibilities: first, belonging to the sweaty body, the head, face and neck, as well as the chest, back is the distribution of sweat line exuberant parts, so it is also sweaty parts, if you sleep in the environment when the temperature is too high or cover the bedding is too thick, can lead to excessive sweating, this is a physiological condition, plus I have this kind of obesity or sweaty body, it is more likely to be more sweaty; Secondly, it is possible to be Night sweating, disease factors, such as diabetes, tuberculosis, and neurosis, as well as women’s menopause, will be due to the plant nerve dysfunction of this sweating situation, especially sleep sweating. So if the neck is always sweaty when sleeping, in addition to the exclusion of high indoor temperature and bedding too thick these environmental factors, to the hospital consultation, may be this factor is multi-faceted, in the doctor’s clinic to find the cause of excessive sweating, and then targeted for disposal.