I am non-24.
https://en.wikipedia.org/wiki/Non-24-hour_sleep–wake_disorder
I sleep about 50% of the time.
If my day is about 24 hours long, and it frequently isn't, then I'm asleep 12 hours per night.
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I take time release Melatonin and psych meds that help me sleep.
7 hours for me is about perfect, 8 or longer and I feel sluggish all day. 6 and I’m a bit tired but less than 6 and I’m an asshole.
Kind of been touched on already, but sleep hygiene is very important. I don’t have caffeine after midday, else I’m screwed.
I try to go to bed and get up at the same time every day, I find that ‘awkward zone’ where it’s too late to start on something else and too early to go to bed is best spent reading (paper books- no screens!).
I hope you find something that works for you, good luck!
Sounds dreadful! There was a case of infrasound pollution a few years ago down the SW of the UK, accusations were mostly made against a mine in the area, it might be worth looking into whether there is any mining activities near you?
It’s the Lizard People expanding their underground bases again.
Between 7 and 8 for me (I prefer 8). If I get less I feel like I`v got Flu next day and if I get more I tend to have a headache. I don`t drink alcohol, smoke, take pills or even have cafeine, I read in bed half an hour before sleep using an Incan flashlight and go to sleep quite quickly.
My sleeping time is about 6-7 hours. I turn off my phone one hour before sleep. It helps a lot 
Me? Unno, never tried it for anything like that.
Won’t kill ya dead or nuttin’, so you can always try it.
But it’s not a sleeping pill, it’s not like getting slipped a mickey or anything. You have to be ready for sleep, and it’ll come if it otherwise can’t. It’s kinda Zen…
I’m somewhere around 5h but using 10mg of Melatonin will knock me out within 10min. After i woke up (even after 4hours due to alarm/work) i’m totally refreshed, brand new person.
What i have found is that using EU (kids) dosage 1-3mg will only make you angry. American size pills are perfect.
If melatonin works for you, great! I’ve tried 2.5mg, 5mg, and 10mg melatonin… zero effect. (Maybe a slight headache with 10mg sometimes, though that might just be my imagination.)
Someone else I know, can take 5mg melatonin and be out within minutes.
I suppose it all depends what the underlying cause of insomnia is, and how your body reacts to melatonin.
Other things to try: OTC sleep drugs containing diphenhydramine, or just take Gravol (or generic), it’s the same thing and a lot cheaper. It seems to make most people drowsy. Hit & miss, IMO, but it’s worth a try. I find that if it works, it works well; if it doesn’t work, it makes the night awful.
After that, you pretty-much have to get a prescription for something stronger. There will be some prescription drugs that will work (it probably will not be the first one you try), but they come with more serious issues of dependency.
Non-drug approaches are various behavior-modification therapies. Most is common-sense, but for people without common-sense it can help a lot, and it has no down-side.
Stay away from psuedo-scientific nonsense, or “ancient Chinese” medicine. All those new-age things will do is take your money.
Finally, be aware that not everyone needs 8 hours of sleep. Some people can be perfectly fine with 6 hours or even less. If you wake up after 5 hours of sleep and feel wide awake, just get up and enjoy the extra 3 hours of free time that day!
I’ve struggled getting a good night sleep most of my life, and hate taking meds too. So I found a combo of things that all together, can get me a good night sleep quite often, which is a miracle.
I highly recommend trying them all for a week before you give up.
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2) Low lighting after 6pm. I now have indirect LED strip in all rooms, but a good life-hack for you is to just shut off the light in the room you are in… and instead turn on the light in the room next door. The flood of light coming through the doorway is plenty once your eyes adjust. Also after 6pm, use the settings on your PC and phone to dim the backlight very low. I go to 8% brightness.
3) All the crap you have already been told, establish a schedule and stick to it, don’t drink caffeine after 6pm, blah blah.
4) An hour before bed, lower the thermostat 2 degrees F for the night. Being warm and cozy does help me fall asleep, but it’s not worth the poor sleep I get later. This trick works because your body can regulate it’s temperature without waking your mind. It simply increases or decreases blood flow to a cool arm or leg, instead of waking your mind half-way to deal with the covers. Typically I just leave one foot exposed to cool air.
5) 30 minutes before bed I take 2 Luna pills. They are almost identical to the cheaper Sleep aid from Walmart, but for some unfortunate reason, the expensive Luna works much better, and with only 6mg of Melatonin instead of 10.
6) Honey Nut Cheerios. I don’t know why, but it really helps me sleep.
7) Relaxation breathing. At this point I am in bed, but often can tell I am not melting into the mattress properly. So I breathe deep, then slowly let it out while focusing on a muscle group to relax. Then repeat with another muscle group.
8) Never go to bed owning Bitcoin.
about 9 hours each night during WFH
From 5h to 7h most of the days, and sometimes a little more on the weekend! When I can, I surely stay more time in the bed at least
However, there were some years in which I slept less than 6 constantly…
If I’m lucky I get 5-6 hours sleep, but usually this is broken. At worse 0 hours, even with co-codamol. I can be in pain all day and as long as I’m busy it doesn’t bother me, but as soon as I try to sleep its there.
Seriously? It’s the most common anti-histamine there is. On the shelf of just about every store, in one brand or another. For allergies, motion-sickness, and sleep. I live in a nanny state too, but I hope it doesn’t get that bad.
Then again, there is other stuff I have to order from the US, because we can’t get it here any more. Try Ebay to see if you can get it that way.
Well, it’s only illegal if you’re caught. 
People must be pretty desperate if they’re using Gravol to get high.
Which nanny state? Surely one of the dumber ones.
Getting high on diphenhydramine wouldn’t be pleasant. Even small amounts causes disturbing effects for me. It’s a deliriant.
Doesn’t sound like insomnia is your problem. You’re getting plenty of sleep.
When you describe brain fog and say you slept 8 hours and it didn’t feel restful, it makes me think you have sleep apnea. There are two forms of sleep apnea, one is obstructive (throat issue) and the other is central (brain issue). You should ask your doctor for a sleep study.
What you’re describing to me sounds like classical melatonin brain-fog, unrestful sleep, headache the day after.
Always start with the smallest dose that’ll put you under. DO NOT take a second (or more) dose if you wake up, or if you miss that chance to sleep, eg, by trying to stay up past when it hits. Else what happens after is exactly what you describe.
Think of a starter’s gun in a race. He shoots it to start the race, and that’s it. He doesn’t keep shooting, reloading, and shooting some more, once everyone’s running on the track, let alone after everyone crosses the finish-line.
That’s all you need, to get to sleep. It resets your body’s clock to say, “Okay, sleep now”, and that’s it. One and done. Hit it and quit it.
That’s why I said melatonin puts you under, and NicOH (or NicNH2, etc.) keeps you under. Melatonin is not a sleeping pill. It’s only that starter’s gun that indicates, “Ready… set… sleep!”.
Frankly, I think it’s misusing or at least misunderstanding melatonin that gives it a bad rep. “Doesn’t work for me”, “Gives me a headache the day after”, etc. And that “time-released melatonin” should be outright banned, ’cause that’s not what it’s for.