Old Navy Cosy Thermal-Knit Henley Nightgown If you like the idea of wearing a dress to sleep, you need this Old Navy Cosy Thermal-Knit Henley Nightgown ($30, originally $35). Image Source: oldnavy.gap.com Old Navy Cosy Thermal-Knit Henley Nightgown $30 from oldnavy.gap.com Buy Now