Sleep

Tyler Mills started this discussion 3 months ago.

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Sleep is a challenge for many, including me. Let's see what we know.
No medical advice, follow at your own risk.

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Tyler Mills’s avatar
Tyler MillsOP·​#5201·​

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.

Tyler Mills’s avatar
Tyler MillsOP·​#5202·​

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.

Tyler Mills’s avatar
Tyler MillsOP·​#5203·​

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).

Linked to by #5306 and #5307
Tyler Mills’s avatar
Tyler MillsOP·​#5300·​·​Criticism
2nd of 2 versions·​revised by Dennis Hackethal

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.

1 pending criticism
Tyler Mills’s avatar
Tyler MillsOP·​#5206·​

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

2 pending criticisms
Tyler Mills’s avatar
Tyler MillsOP·​#5208·​·​Criticism

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.)

Tyler Mills’s avatar
Tyler MillsOP·​#5210·​·​Criticism

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.

Benjamin Davies’s avatar
Benjamin Davies·​#5241·​·​Criticism

Diet isn't ruled out just by comparing a large dinner with an empty stomach before bed.

You've said that you often put off eating and struggle to eat as much as you intend to. If you're regularly under-eating or going long stretches without food, that may be keeping adrenaline and cortisol elevated into the evening, making it harder to wind down, fall asleep and stay asleep.

That could also explain why you're physically tired but still mentally alert and able to keep working at night.

1 pending criticismLinked to by #5242
👀Dennis Hackethal’s avatar
Tyler Mills’s avatar
Tyler MillsOP·​#5207·​·​Criticism

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

1 pending criticism
Tyler Mills’s avatar
Tyler MillsOP·​#5209·​·​Criticism

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.

1 pending criticism
Dennis Hackethal’s avatar
Dennis Hackethal·​#5223·​

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.

1 pending criticism
Tyler Mills’s avatar
Tyler MillsOP·​#5312·​·​Criticism
3rd of 3 versions

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).

Linked to by #5226 and #5311
Dennis Hackethal’s avatar
Dennis Hackethal·​#5224·​

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.

1 pending criticism
Tyler Mills’s avatar
Tyler MillsOP·​#5226·​·​Criticism

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.

Dennis Hackethal’s avatar
Dennis Hackethal·​#5235·​

Have you traveled internationally? I’m thinking specifically of flying west for a large distance.

For example, if I fly to the West coast from central Europe and I land at 12pm say. That’s 9 hours behind Europe. And then I try to stay up until 10pm or so. That’s nearly impossible. I’ve fallen asleep with the lights on.

Would be interesting if you still lay awake for an hour or so even when severely jet lagged.

Tyler Mills’s avatar
Tyler MillsOP·​#5295·​

I have traveled internationally, and I think jetlag is the same as just staying up very late. Both allow for fast time-to-sleep (<30min). I can fall asleep quickly if I've been awake for 19 hours, say. The issue is trying to achieve that time-to-sleep for ~16 hours of awake time.

Dennis Hackethal’s avatar
Dennis Hackethal·​#5237·​

Found this article illuminating (emphasis mine):

The gradual loss of energy during the day produces a drive to sleep in order to restore that energy. This is known as the homeostatic sleep drive. If the homeostatic process were the only one involved, a person would wake up fully energized and then gradually wind down over the course of the day, like a battery losing power. This would mean an uneven level of alertness during the day, with dangerously low alertness in the afternoon and evening. To counterbalance this, the SCN also regulates alertness by what is known as the circadian process. As the day goes on, and energy winds down, the SCN compensates for this by sending a stronger alertness signal to the brain and body. This alertness signal reaches a peak in the two hours just before bedtime. This zone of maximum alertness is known as the “forbidden zone for sleep” since the alertness signal makes sleep nearly impossible during that zone. When the usual bedtime is reached, the SCN begins to turn down its alertness signal to allow the body to sleep.

The article is on “Non-24-Hour Sleep-Wake Disorder”. I’m obviously no doctor so don’t take anything I say as advice or diagnosis. But from what you’ve said, I wonder if you have that. I think I have the same issue.

The article goes into several causes you could look into. For example, it says exposure to blue light in the morning can help reset one’s internal clock. But that requires a special type of cell on the retina. If those cells don’t work properly, then as far as your internal clock is concerned, you’re effectively blind.

Dennis Hackethal’s avatar
Dennis Hackethal·​#5238·​

That said I still think you should go see a sleep doctor, Tyler.

👍Tyler Mills’s avatar
Tyler Mills’s avatar
Tyler MillsOP·​#5297·​

Interesting and disturbing. I still think psychology is the prime suspect for me, though. Runaway thinking. I'll pay more attention going forward, and see if I observe this "alertness signal."

Benjamin Davies’s avatar
Benjamin Davies·​#5244·​

Something simple you could try is heavily dimming your computer and other devices and using strong red filters for the last few hours before bed.

Not just the standard night shift features, which are often far too weak. I mean making the screen properly red so that almost all of the blue and green light is removed.

You might be surprised by how dim you can make your devices while still being able to use them fine. You just need to give your eyes a minute to adjust. I routinely have my iPhone and MacBook on their dimmest settings.

Dimming or reddening the room lighting could help too. (Following up on #5243.)

Tyler Mills’s avatar
Tyler MillsOP·​#5296·​

I do use 0% brightness on my monitor and Windows' red night filter at 90% about 90 minutes before getting ready for bed, and I use only a warm-colored lamp. But could do more. Have not messed with the actual monitor color presets (turning off the blue and green channels; not the same thing as the night filter?). No screens at all seems like a smarter habit, which I'll work toward.

Tyler Mills’s avatar
Tyler MillsOP·​#5317·​

Per #5229, here is a debate to find a common preference for the two interests in me.

Tyler Mills’s avatar
Tyler MillsOP·​#5318·​

Interest 1: Stay up past 16 hours and do more things! Accomplish more, have more fun today and feel like the day was more productive. Some loss of sleep is okay for the sake of accomplishing more, earlier in life.

Tyler Mills’s avatar
Tyler MillsOP·​#5319·​

Interest 2: Go to bed around hour 16, to get the full 8 ours we require for good health and functioning! We regret when we sleep too much less than 8 hours, and the cumulative health impact causes us some background anxiety (which is itself unhealthy).

Dennis Hackethal’s avatar
Dennis Hackethal·​#6090·​

I purposely avoid drinking any water past 8pm so I don’t wake up in the middle of the night having to answer nature’s call. But sometimes that still happens. How can that be?

According to this article, elevating your legs helps with fluid distribution. My understanding is that, as you get older, your body gets worse at fluid distribution. If you’re never horizontal during the day, fluid gathers in your legs. And if bedtime is the first time you’re horizontal, the fluid redistributes as you sleep, some of it gathers in your bladder, and you need to pee.

That explains why I had to use the bathroom in the middle of the night even though I don’t drink anything past 8pm. So I tried elevating my legs the next day, working from the couch for a bit in the evening. It worked! I didn’t wake up having to use the bathroom that night. (I still woke up for some other unidentified reason, but at least I can now rule out this cause.)

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