You settle in under the duvet and get all warm and cozy, your eyes begin to feel heavy, and gradually you start to drift off ...

There are few things more annoying than an incessant beeping sound in your home that no matter how high and low you search, you can't identify. It could be a smoke detector, appliance, security system ...

An ear-splitting smoke alarm siren is one of the worst midnight surprises. But it's even worse when your detector keeps beeping in the middle of the night but then stops and acts perfectly normal ...