抄録
A pillow is an important item for sleep which effects on our quality of life. This study aims to establish a design method of a comfortable pillow shape for each individual from the shape of back head and neck (SBHN) in standing. This paper shows measurement tests of natural standing and lying position with a pillow. We made a measurement device of SBHN. Six subjects are measured their SBHN and head flexion angle in natural standing. In lying position, the subjects find their own best pillow from various height test pillows by sensory evaluation of comfortableness. We also measured the subjects' head flexion angle in each case of lying. There is a relationship between the SBHN depth in natural standing and the head flexion angle with the best pillow of each subject.