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Sleep duration is associated with brain structure and cognitive performance

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Re: Sleep duration is associated with brain structure and cognitive performance

#111
Though the subjective measure of this study is better than nothing, in the coming years we'll be able to use sleep data for more concrete evidence.

At https://soundmind.co, we're building a headband focused on improving Sleep Performance, by monitoring your sleep state and using sound to alter sleep state. There is amazing research around improving sleep quality, by improving sleep maintenance (aka reducing waking during the night), increase occurrence and amplitude of sleep spindles, and more.

In initial trials, we've lowered average time awake from 1hr 41 minutes to 32 minutes, using a sample of 4 nights without stim, and 4 nights with. I need to do a blog post about that soon. We're still gathering more data.

If this is an area of interest, you can sign-up for the waitlist on our website, or happy to answer questions here.

Re: Sleep duration is associated with brain structure and cognitive performance

#112
post #17

This stresses me out because I’ve struggled with sleep for quite some time. Feels awful.

Try making it a habit(Cue, Routine, Reward). After 3 decades on earth, I finally feel like I have a decent sleeping habit. Two things that worked for me, having a consistent schedule and creating a cue/trigger associated with sleep. I started wearing ear plugs and facemask to sleep. I started wearing it because my partner usually sleeps much later than me. First couple night took some adjusting, but after a week or t…

I'm the same, I fall asleep much faster with headphones and a podcast or audiobook playing.

Re: Sleep duration is associated with brain structure and cognitive performance

#113

I have a very weird problem/issue, maybe someone can help. In my school days I used to maintain a dream diary, where I would note down every dream I had after waking up. I stopped doing that when I got into college, but dreams never stopped and I never stopped analysing and trying to remember the dreams. Fast forward to present time (10 years from school), whenever I want to wake up i.e. after 6-7 hours of sleep I ca…

It sounds to me like you're conflicted about whether the dreams are worth analysis. If I were in that position I'd analyze my full history of dream analysis. What has paying lots of attention to my dreams gotten me? How has the experience changed over the years? Am I different now as a result? In what ways am I better, in what ways worse?

The solution to many addiction problems (which you suggest this might be) can be to simply be more context-aware. In the heat of a game, of course you want to keep playing the game. But the more you think about your entire life's context, who you are vs. who you want to be, what you need to get done vs. what you're getting done -- the less focus the object of addiction is able to retain.

(Fun related fact -- more than half of drug addictions in the US are simply "outgrown", with no intervention to blame.)

Re: Sleep duration is associated with brain structure and cognitive performance

#114
post #56

Earlier quoted context omitted.

The risk with an inconsistent waking time is shifting forward the circadian rhythm, if you sleep in later and later. When that occurs you'll fall asleep later as well, or wake up more often. A wind-down period ahead of bedtime can also offer some flexibility, if you happen to have enough sleep pressure to fall asleep earlier some nights.

I wake between 11:00 and 13:00 for years now. And I go to sleep between 2:00 and 4:00.

When I stop using alarms and stop forcing myself to go to sleep early, my hours seem to converge to something very similar to yours. I experience the "shifting forward" until I get to 2am-11am, and the shifting stops.

I've noticed the same pattern on roommates and family members as well.

Re: Sleep duration is associated with brain structure and cognitive performance

#115
I'd like to share my sleeping practice which I've developed after several years of focusing on it and trying to recreate the pre-industrial (and possibly pre-farming) sleep patterns my ancestors had for millions of years before the last few thousand.

Whenever I feel tired, I lay down to rest.

Whenever I am sleeping, I allow myself to sleep until I am "fully slept", meaning I can lay there for a while, still physically resting, and not fall asleep.

Sometimes this means only a couple hours, and sometimes it's 16 or more. Whatever it is, if I am tired and want to keep sleeping, that's what I do.

A couple of times I think I was coming down with something, I slept for more than 24 hours with only pee breaks. And I woke up feeling fresh as a cucumber, as they say.

Those flus and colds which I used to get once or twice a year and which would sometimes drag on for weeks? I can't remember the last time I've had that happen, but it's been several years now. (Of course, I have several other practices to thank for this, in addition to the sleep.)

I also practice what I call "dog sleep" or "cat sleep", meaning I lay down and close my eyes and fully rest my body, without necessarily losing all alertness or consciousness.

My rewards have been improved cognition, better health and overall feeling, and still being able to do occasional coding marathons like I used to when I was half my current age.

We've been conditioned to think of sleep as laziness and sloth, but nothing could be further from the truth on the cellular level. When you rest, your cells go to work cleaning, rebuilding, and renewing your body. Your mind also does sorting and self-analysis, and returns the results in the form of remembered dreams.

Re: Sleep duration is associated with brain structure and cognitive performance

#116

It's crazy to me how nearly nobody knows how to sleep. The only other adult that I know who has a consistent and healthy sleep routine is my partner.

I may not know how to sleep, but at least I’m aware that what I’m doing now isn’t it?

Re: Sleep duration is associated with brain structure and cognitive performance

#117

I'm bipolar so I've gone through periods where I sleep 18 hours a day and periods where I sleep 2 hours a night if at all. Caffeine intake doesn't seem to matter. Medication and good mental hygiene helps a lot with this issue.

How does only 2 hours sleep a night affect you? For example at work, or studies / learning new things? Or when together with others?

(Personally I get upset at the computer more easily, if I'm tired. Hmm maybe I should stop working now)

Re: Sleep duration is associated with brain structure and cognitive performance

#118

I'd like to share my sleeping practice which I've developed after several years of focusing on it and trying to recreate the pre-industrial (and possibly pre-farming) sleep patterns my ancestors had for millions of years before the last few thousand. Whenever I feel tired, I lay down to rest. Whenever I am sleeping, I allow myself to sleep until I am "fully slept", meaning I can lay there for a while, still physicall…

How are you measuring "improved cognition, better health and overall feeling"?

Re: Sleep duration is associated with brain structure and cognitive performance

#119
post #12

Earlier quoted context omitted.

When I'm tired my brain tricks me into going back to sleep, so I guess you are just tired. If you are sleeping more then 8 hours and still feel tired you might have bad sleep quality.

I feel it's the dreaming which makes me tired, I feel exhausted whenever I am able to remember my dreams. I usually feel pretty good if I don't remember any dream after waking up(Assuming they never happened). Now that I think more of it, I agree it might be my lack of sleep quality which makes me tired and maybe places/offsets the REM sleep at odd times so I am able to remember the dreams. My circadian rhythm is def…

My experience is I'm more likely to remember my dreams if I got woken up unnaturally, so maybe it's the other way around? You only remember your dreams when you wake up tired?

Re: Sleep duration is associated with brain structure and cognitive performance

#120

I'd like to share my sleeping practice which I've developed after several years of focusing on it and trying to recreate the pre-industrial (and possibly pre-farming) sleep patterns my ancestors had for millions of years before the last few thousand. Whenever I feel tired, I lay down to rest. Whenever I am sleeping, I allow myself to sleep until I am "fully slept", meaning I can lay there for a while, still physicall…

In principle this sounds pretty ideal. Sleeping, or resting, when you need and not force an arbitrary societal schedule on yourself. But, I'm guessing that you don't go into an office nor have a lot of meetings? Do you live alone or does it work with a family around the house?
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