Have you checked your detector lately?
2 Times a year - Change your clock & change your batteries in your Smoke Detectors
Please Use Carbon Monoxide Alarms
Links to some good information:
Sparky the Dog
http://www.nfpa.org/sparky
Residential Fire Safety Institute
http://www.firesafehome.org
SafeKids.com
http://www.safekids.com
U.S. Fire Administration Kids Page
http://www.usfa.fema.gov/kids