Why is the down pillow soft?
| January 3, 2021 | education
Our sensations depend on the pressure exerted by the sleeping head on the pillow itself. This pressure is defined as the ratio of force to the area of contact between the sleeper’s head and the pillow. It turns out that the soft pillow fits more around the head, and this increases the area of contact. And the less the force of pressure of the pillow on the head becomes. Therefore, it seems to the sleeper that the pillow is soft.
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