Nightgown
A loose garment worn for sleep — the soft cloth the body changes into to be off-duty.
A nightgown in a dream is the dream's image of the soft cloth the body changes into to be off-duty for the night. The nightgown is not chosen to be seen; the nightgown is what the body wears when it has stopped being on view. The dream brings the nightgown when something in your life — a moment of complete privacy, an illness that has set the public self aside, a long intimate domestic stretch — is being lived in the version of you that is currently not on duty. A nightgown worn in the right bedroom at the right hour is the dream affirming the proper privacy. A nightgown worn into the daylight street, with no time to dress, is the dream noting that the private layer has been carried into a public setting it was not designed for, and the eyes of strangers are seeing the off-duty self without permission.