

There wouldn’t be any “h” if you thought of it in terms of Spanish sounds.
If you really get into the weeds, the funky spelling can sometimes give you a clue about how the word is pronounced. (But only sometimes.) For example, “rhetoric” can have a bit of an “h” sound, especially in British English. I notice it some in American English too, but it can vary from person to person.
Or “gnats.” The “n” is a tiny bit different than if you said “Nats,” like the baseball team. You obviously don’t say the “g,” but the tongue comes up a little in the back of your mouth, almost like you were going to say a “g.”
That’s nothing to worry about, it’s just something I’ve noticed.
I’ve been able to hear that too, for as long as I can remember. I don’t think that’s necessarily anything unusual when you’re the type of person who can hear earthworms cough. It sounds different at different times, like if I’m stressed or dehydrated.
There’s really a lot you can hear if it’s quiet and you pay attention. Eyes opening and closing, eyeballs moving, joints moving (neck and spine sounds different than knees and elbows), muscles contracting (different ones sound different).