What is the test for a princess according to Hans Christian Andersen and fairy tale?

Answer 1

In "The Princess and the Pea" a test of letting a woman sleep overnight on top of a pile of mattresses, after a single dried pea had been placed under the lowest mattress, was done. She complained in the morning that she had not sleep well as there was something hard in the bed. So proving that she must actually be a princess, royal, and suitable for the prince to marry.

Answer 2

In the fairy tale "The Princess and the Pea" by Hans Christian Andersen, the test for a princess is placing a small pea under a stack of mattresses and blankets. The idea is that a true princess would be sensitive enough to feel the pea through all the layers, indicating her royal status.