Each home security system has its own set of cues and meanings, and you'll need to consult with your manual to work them out. There are, however, a few universal warning sounds used for most household ...

Using a melodic song you enjoy as an alarm sound can potentially reduce feelings of grogginess upon waking. However, waking suddenly from sleep may have negative effects. Many people use an alarm ...

Add Yahoo as a preferred source to see more of our stories on Google. Certain tones and frequencies can cause sleep inertia, or the groggy feeling that can follow you all morning. Turns out your ...

A concerned woman pushing a button on her smoke alarm. - Chameleonseye/Getty Images Each home security system has its own set of cues and meanings, and you'll need to consult with your manual to work ...