Interesting yet scarry.

[Chucky]

This is a real eye opener about something we all trust our lives and families lives to. The end of the video is a new approach to the problem that seems to work.
Sleep tight if you can.

http://www.youtube.com/watch?v=xTLOF6lixLc

[N. A. Corbier]

Voice based alarms have been out for awhile. I ignore fire alarms in my sleep, its just annoying. I do not ignore people shouting, though, and human voices will wake me in a matter of seconds, even whispers.