Researchers at Victoria University in Melbourne, Australia conducted a study among school-age children to see how effective a smoke detector was in waking them up in the event of fire. Unfortunately, the results were frightening, and a serious wake-up call for parents, firefighters, and to fire-safety educators alike.
The study, whose results were publicized recently in the industry journal Fire and Materials, asked the parents in 80 families to activate the smoke detector in their home after their children had been asleep between one and three hours. The 123 children who were in the study were divided into two groups, based on which children had reached puberty and which did not. The reason for this: Levels of the hormone melatonin, which helps induce sleep, go down once children reach puberty. So it would seem that younger children would be deeper into sleep, and perhaps less likely to be awakened by an alarm.
That proved to be true–but it did not mean that most of the older children heard the alarm, either. In fact,, 78 percent of all the kids that were studied slept through a smoke detector’s alarm that was blaring for at least 30 seconds. What’s more, parents reported that of the 22 percent of children who did wake up, only half of them identified the noise as a smoke detector, and just one-fourth of them even knew that a smoke detector’s noise means to get out of the house immediately. And while the younger kids were likeliest to sleep through the alarm (87 percent of them!), 56 percent of the 11- to 15-year-olds also slept through the piercing noise.