Daughter: "His watch gave him a sleep score of 41." Me: "Out of what?" Daughter: "It does not say." Me: "Then it is not a number. It is a mood." Send this to whoever quotes their sleep score at you.

EXPLAINED (ACCURACY-CHECKED)

Consumer wearable sleep scores are proprietary composite indices, not validated diagnostic measures; polysomnography remains the reference standard for diagnosing sleep disorders.