I'm a heavy sleeper, but usually wake up to my iPhone alarm. I consistently sleep through it when my air conditioner is on. I can't sleep without the AC.

We're in a heatwave and I'm not going to be able to buy a different, louder alarm clock in the next few days. I've tried max volume and sleeping with my phone near my face.

How can I use my air conditioner and be jolted by my alarm in the morning?


1 Answer 1


Put your iPhone™ in a cup beside you. The cup will act as a directional amplifier to make the sound seem louder and directional. Point the cup toward where your head is for maximum effect. Maybe that will do the trick. You may have to experiment a bit to find the optimal position for the cup/glass and your iPhone™.

  • You can also make a squarish tube using cardboard, cut out a hole to slot your iphone in, and cut holes in to cups the size of the square of the tube and slot it together similar to a speaker system
    – Xylius
    Jul 22, 2016 at 8:03

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