Straight Dope Message Board

Has anyone else ever seen the "black dog"? What causes it?

Factual Questions

CynicalGabe January 23, 2006, 3:01am 21

You saw them too?!?! :eek:

Topic		Replies	Views	Activity
Strangest optical illusions you have seen In My Humble Opinion	45	2739	July 16, 2004
Halucinations when tired. Factual Questions	26	1365	April 8, 2002
Illusions of light while falling asleep - How common? And why? Factual Questions	17	6966	April 8, 2008
I saw lights in the sky. What were they? Factual Questions	37	2969	April 5, 2003
Do people who lose their eyes see darkness? Or nothing? Factual Questions	24	13903	July 18, 2006