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Hmm, I'm skeptical of the physics, and a cursory search supports. Not feasible for the same reason that holograms aren't (as depicted in movies): waves won't stop midair, unless they're "standing waves," which you can't do much with. Comment #5225 may also apply.

Interesting. But I would guess it only works well for constant sounds. The sensor has to read the waveform to create one that cancels it. Will not do much for short impulses of sound, which are the main offender (my current neighbors are okay, for the record).

There’s a company that makes a cube that you put in your bedroom and it creates a sound barrier. Like a noise canceling perimeter. It’s like noise canceling headphones except you don’t have to wear anything. I forget the name of the company but worth searching for it online. I remember being excited about it because I had the exact same idea and was stoked to see somebody actually doing it.

Just stumbled upon this tip in my Insta feed to deal with noisy neighbors: https://www.instagram.com/reel/Db4gheyx9WP/?igsh=NTc4MTIwNjQ2YQ==

Apparently you can buy a device that cancels out vibrations in your walls. Not sure I’m understanding exactly how it works.

I also clearly procrastinate preparing food and eating, almost every day, conflicting with caloric intake goals. I had an anxiety disorder around eating in childhood for a few years. I suspect some residual hangup from that, but hard to say. Relates to the sleep trouble..?

Have done. Does not seem to have a strong effect on the "timer." Still may take an hour to fall sleep after getting back into bed. As if a certain amount of time in bed (certain amount of suffering, or punishment?) needs to pass before sleep will come.

When this happens, the advice is to get out of bed and do something else (without bright or blue light) for a while.

I notice a distinct feeling of boredom after a certain amount of time in bed.

I notice a tendency to find more things to do (such as research questions) leading up to bedtime, similar to how I miraculously find more tasks to do (such as taking out the trash) when trying to leave the house for an appointment (I have a lifelong habit of running late as well; I suspect a relation between these two).

This perpetual creep of waking time will mean one's circadian rhythm is messed up, inverting every several days. (Being out of sync with sunlight is a health concern.)

Daytime noise in any kind of city is hard to avoid. One can try to optimize their living situation to avoid, but that's not always doable. Earplugs and noise-machines can help, but have never been totally foolproof for me.

This perpetual 2-hour creep is not compatible with the obligations of life, such as getting to work by 9am every weekday.

So just stay up 18 hours every day, and sleep in the next day by the extra two hours (assuming 8, which seems optimal for me).

I do fall asleep more quickly the longer I've been awake, but not by as much as one would hope. After being up 18 hours, it still may take an hour or more for me to fall asleep.

If I had a large dinner only two hours before attempting sleep, the trouble to fall asleep seems about the same as if I have an empty stomach, or any other degree of fullness on that continuum.

I suspect the issue is mental, because I sometimes feel tired getting into bed, then immediately feel progressively less tired, the longer I am in bed. The tiredness sometimes comes and goes, over the course of maybe one or two hours, before sleep comes. This suggests to me that my thinking is causing my wakefulness. I have observed this effect for as long as I can remember.

On days when I have extensively exercised, worked, socialized or all of the above, my trouble falling asleep seems largely unchanged. (It still often takes ~2 hours, without chemical intervention.)

On days where I have not looked at a screen at all, my trouble falling asleep is the same.

Adhere to standard sleep hygiene. That will help you fall asleep in a reasonable time (<30mins?) and get a healthy 7-8 hours.

Time-release melatonin also does not noticeably affect the larger issue for me of falling asleep.

Time-release melatonin has solved the backfire problem for me. But I don't want to be dependent on it forever to get a good 8 hours.

Standard melatonin backfires, causing me (and at least one other person I know) to wake up at around hour 5 after falling asleep (maybe when it has finished metabolizing). This is bad, especially if it means you cannot fall back asleep (as in my case, more than half the time).

I am sometimes physically tired by hour 16 of the day, but I can easily stay up and continue working to hour 18 or 20. I have no caffeine or nighttime sugar.

Sleep is a challenge for many, including me. Let's see what we know.

Falling asleep has been a lifelong challenge for me. I suspect there is a "preference fight" going on, among other things, keeping my thoughts highly active.