Sonic Bomb alarm clock from amazon. $42. Put the vibrate part between mattress and boxspring. Sound can be disabled or turned to max. Good luck sleeping through that

Zenith HealthKit z-89 , Dad built it, I played it. He bought me a “intro to basic” book and I never stopped making games for my brother to lose. He figured it out I mapped all choices to eventually lose. those were fun times

Sleep number 100 here. Belly sleeper I prefer “very firm”. Husband is sleep number 32 , back & side sleeper and wants all the fluff, this is why we have sleep number that was purchased 10 years ago and still works.

Edit: the sleep number mattress we bought was third cheapest. Just enough to get the app access to the firmness adjuster.

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Amazing! I love it.