[sdiy] How does your sound perception change while you're falling asleep?

[Eric Frampton]

I sleep with a white noise generator (one of the wind powered ones) on my nightstand, and have for decades.

Right before I fall asleep it seems like the volume and clarity is turned up on any sounds with strong transients. Something that normally wouldn’t wake me up will wake me up. But generally speaking, everything is much louder and clearer right before I fall asleep, even with my noise maker on.

As i’m dozing off, I notice my brain trying to make sense of the white noise bouncing off various surfaces. I could swear I'm hearing voices or distant music, but then I turn my head so the reflections are different, and it goes away (or changes).

When I was younger I used to have phantom popping sounds, usually associated with flashes of light - exploding head syndrome? - but I stopped noticing that sometime in my 20’s.

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> On Aug 18, 2022, at 10:56 AM, cheater cheater via Synth-diy <synth-diy at synth-diy.org> wrote:
> 
> Hi all,
> I'm sure many have noticed that your sound perception changes in the
> moment immediately before falling asleep. I was wondering if anyone
> would like to describe what effect they hear. Since we all know
> synthesizers, synth and audio engineering related terms are going to
> be very useful here.
> 
> I suggest writing down whatever you can remember before reading the
> rest of the thread, so you don't get influenced. Then read the thread
> to see if anything seems familiar.
> 
> If you make any observations in the future, come back to the thread
> and add to it.