What about sleeping pillows too low?
If no side pillow, side of the neck muscles will be too stretched, fatigue and cause spasm, pain, stiff neck "".
Do not pad the pillow, the person supine, excessive back, easy mouth breathing, and then produce dry mouth, tongue dry, sore throat and snoring phenomenon.
Pillow too low will make the blood supply is not balanced, easy to cause congestion and swelling of the nasal mucosa, and nasal mucosa is very sensitive, a swelling will affect the breathing, causing the neck and shoulder after waking up after the phenomenon of soreness.
