Nightgown
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/6/68/Nightie.jpg/220px-Nightie.jpg)
A nightgown or nightdress is a gown worn for sleeping. It is usually loose-fitting. There are different lengths, hip-length (called baby-doll), floor-length (called négligée) or knee-length.
Men wore them until about the 1940s when they changed to pajamas. Today, they are mostly worn by women.