Why describe the solution to a problem, and then say there is no good solution? Do we need to make HRVs more popular, and hope that economies of scale can drive costs down, or are most of the costs already due to unavoidable labor?
> Noise issues are happily easy to control: earplugs or noise-cancelling headphones will generally do the trick. It would be utopic to eliminate bothersome noise from the environment altogether, but it’s not necessary.
Another option is to raise the noise floor of your environment. Copy some brown noise onto an MP3 player, run it through a decent set of speakers, and raise the volume until you can't hear the interfering source.
Because the solution I described is not good. Too expensive for me, anyway.
Similarly, every attempt to demonstrate any benefit of fish oil supplements fails miserably. There is something really good about eating oily fish, but it is evidently not the oil.
The Mayo Clinic page on vitamin D lists a number of positive effects, for example. https://www.mayoclinic.org/drugs-supplements-vitamin-d/art-2...
https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD...
Vitamin D + calcium supplementation for bone health in middle-aged or older people:
https://link.springer.com/article/10.1007/s00198-015-3386-5
But you're right that some of the benefit of "vitamin D" will be associated with going outside. I outlined several reasons in my article: the outdoors has brighter lights, lower carbon dioxide, etc., which are good for our health.
> go to sleep at the same time every night.
I do not agree. From personal experience, I'll be wasting hours some days trying to fall asleep.
If anything, wake up at the same hour every day and go to bed when tired.
The 'advice' in the article is on how start living in a cave.
