抄録
The functions of a pillow were investigated from the ergonomic standpoint. The main concern of the present research is the appropriate height of the pillow. Forty females whose ages are around 20 lay on their back and side using different pillows.
The experimentation methods taken are :
(1) Sensuous test
(2) Electromyogram survey
(3) X-ray observation
The height of a pillow for the most comfortable and sound sleep is recommended to be
5±1 cm when lying face up ;
6.8 ±0.9 cm when lying sideways.
The pillows on the market are 12-13 centimeters in height, and are generally too high
