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Comment by bradstewart | Hacker News Reader

The lack of natural light seems like it would really, really mess with me. Maybe it's possible to prepare for that with certain training, I don't know.

I'm lucky enough to have a backyard, in which I've been spending a lot of time lately.

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I didn't have much trouble adapting to underway conditions. But then I've always been somewhat introverted and love hunching over a desk doing projects. Underway was just a bit tighter spaces, flourescent only. Like knowing you were going into a really weirdly laid out half industrial half office space and you just weren't leaving for a while.

(I was lucky enough to be in a rating where I was on periscope every now and again, so I had that bit of extra 'view'.)

Sunburns. Human skin generates Vitamin D out of UV damages to it, which plays roles in hair and nails but also in maintaining healthy thoughts somehow.

Apparently kids in arctic regions receive “sunbathing” sessions in a dark room with UV lamps for this reason. I’ve been thinking to replicate it but haven’t been able to find much technicalities in it...

Are you talking about Seasonal Affective Disorder (SAD) lamps? I think most "full spectrum" bulbs will work, they sell them at hardware stores.

Look for a solid Vit D3 K2 combo and you should be golden.

Although, be careful with your Vitamin K intake if you're highly sedentary. Increases the risk of blood clotting problems.

It's not a problem if you're active though.

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