There are days when you just want to stay in bed. This trend hit the runways and the streets. Bringing it to a level of sophistication were designers Haider Ackermann, Etro, and Oscar de la Renta. Stella McCartney and Brandon Maxwell took it to a dreamy level. Olivier Theyskens, Toga, and Zero + Maria Cornejo designed a sleepwear look that may pass as business casual. Next trend – sleep pods.