On Jan 23, 2012, at 2:27 PM, Rich Alderson wrote:
  My wife has a blind spot WRT these things:  "Why
don't you just sleep
 without it for a night?"  She doesn't understand that breathing is worse
 than rock cocaine as an addiction:  Since I became able to sleep through
 the night, I can't go back. :-) 
Well, also, the withdrawal symptoms include death by asphyxiation, so... there's that.
- Dave