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Comment by alexvr | Hacker News Reader

Thank you! I'm a college student with an early class (so I have to go to bed earlier than most people), and my dorm can be pretty loud, so I often sleep with earplugs. I didn't like the idea of possibly not waking up in a fire, so I made this to cure my paranoia :p

I don't know how many people will find it useful, but it seemed like something that should exist.

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I think that the best ideas come from that things that the creators personally want/need. You found a problem relevant to you, and solved it in a simple, elegant way. It's going to help you, and might even make you a couple bucks on the side. Sounds like a win all around to me.

Great idea for an app! I sleep with earplugs occasionally and I can see myself using your app in that situation. That said, I've been wondering lately if using earplugs often is a healthy thing to do in the long run. I couldn't find any pertinent research about non-professional users.

Edit: phrasing.

I wonder the same thing. I find that I dream more when I can hear rain on the roof, so maybe ambient sounds (or a lack thereof) have a real effect on sleep

I too sleep with earplugs in I've noticed something similar. When I take naps during the day and I use the plugs I find that it is the best sleep I get, I feel super refreshed. During the night when I sleep with earplugs in I usually don't sleep as well as I would without them (minus the loud roommates). But I am a side sleeper with a memory foam pillow so it tends to cause some pressure on my ears for prolonged sleep periods.

Humans aren't good judges of how often they dream. You have REM sleep several times a night and generally if you're woken up during REM sleep you will say that you were dreaming.

It is probably more likely that you are simply remembering dreams more when you can hear rain on the roof - either by power of suggestion, or because the stimulus of the rain noise is noticeable and memorable in your dreams, or because the rain itself is waking you up.

This isn't to say that you're wrong - there most certainly is an effect - but whether that effect is positive or negative is unclear.

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