The smoke alarm sounded during the night at about 3am. We got up in a hurry, sleep-dazed, but alert enough to notice there was no smoke and no fire. These hard-wired alarms all talk to each other and before we knew it, the word got out and all six alarms in the house were blaring. We stuck our noses out the front door. Was there the faintest smoky smell in the air or was it our imaginations?