If you're a very heavy sleeper, you already know a regular alarm clock usually doesn't get the job done, and phone alerts or easygoing sunrise alarms don't rouse those who are deep in an REM cycle, ...
The Sonic Bomb lives up to its name with a 113-decibel alarm built for the heaviest sleepers. Flashing red alert lights and a powerful bed shaker add extra impact, while battery backup keeps working ...
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