(CNN) — This is not your grandmother’s nightgown. Or maybe it is. The same style of sleepwear that was once strictly relegated to bedrooms and boudoirs has now become the summer dress of the year.

This is not your grandmother’s nightgown. Or maybe it is. The same style of sleepwear that was once strictly relegated to bedrooms and boudoirs has now become the summer dress of the year. Reformation ...

Between Netflix's Too Much, the Taylor Swift-led Dôen craze, and Amaya's iconic mumu moment on Love Island, nightgowns have had the comeback of a century this year. And as we edge toward fall, ...