Why might it actually be less painful to sleep on a bed of nails than to be stabbed in the finger with one (at least in theory)?
A)The mechanoreceptors are only sensitive to light touch.
B)There are more free nerve endings in our fingers than our backs.
C)There are more mechanoreceptors devoted to the back than the fingers.
D)There are fewer free nerve endings in our fingers than our backs.

Question

Quizplus · Accepted Answer

The distribution of force over a larger area (like a bed of nails) reduces pressure on any single point, whereas a single nail concentrates force, causing more pain. Additionally, fingers have more nerve endings, making them more sensitive to pain.

Why Might It Actually Be Less Painful to Sleep on a Bed