Frequent pillow fall may be related to the pillow height is not suitable, cold and cervical spondylosis and other reasons. Pillow is too high or too low, pillow is too hard or too soft, will make the neck muscles in a state of tension, it is easy to cause pillow fall. When the temperature of the room is too low in winter or when you work outdoors for a long time, your neck is in a cold stimulating environment for a long time, and it is also easy to cause pillow fall when you sleep at night. Cervical spondylosis, neck muscle ligament degeneration or cervical curvature straightening, is also easy to cause pillow fall. Bad sleeping habits are also likely to cause pillow fall, such as sleep without pillows or prone position sleep. If the symptoms of pillow fall, it is recommended that patients go to the hospital in time for medical examination, under the guidance of the doctor for formal treatment.