This could be great for children, they are often capable of sleeping through alarms, also given the sense of smell has the lowest 'latency' to the brain out of

This could be great for children, they are often capable of sleeping through alarms, also given the sense of smell has the lowest 'latency' to the brain out of all our senses it would seem worth investigating, I'd been thinking of experimenting on my daughter, she narrowly missed out on an early alarm call concocted of rotten eggs...