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The Hidden Downside of Indoor Comfort
by Solmate
on Aug 10 2026
Central heating, sealed windows and climate control made the modern home brilliant. They also quietly made it biologically incomplete. What we gained, what we lost, and how to keep the gains.
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Modern Life Wasn't Designed for Human Biology
by Solmate
on Aug 10 2026
Modern life was optimised for convenience, not biology. The mismatch shows up quietly in mood, sleep, vitamin D status and energy. A worldview piece on how we got here and what to do about it.
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Why Your Whole Life Happens Under Artificial Light
by Solmate
on Aug 10 2026
Modern adults experience almost no natural light from waking until sleeping. What the swap to artificial light is doing to mood, sleep and vitamin D status — and how to push back without unplugging.
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Are We Spending Too Much Time Indoors?
by Solmate
on Aug 10 2026
We spend roughly 90% of our lives indoors. The statistics, what that's doing to mood and vitamin D status, and why the conversation about SAD and winter symptoms is bigger than it looks.
News
by Solmate
on May 19 2026
Modern humans are quietly becoming the most indoor generation in the species' history. What that's doing to the body, and the small daily corrections that put it right.
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Since When Did Fluorescent Lighting Count as Daylight?
by Solmate
on May 19 2026
Office lighting cannot do what sunlight does. Why we made the swap, what it actually costs the body, and the simple correction that closes the gap.
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Why Modern Life Quietly Keeps Us Indoors
by Solmate
on May 18 2026
Modern life has quietly become indoor life. Daylight exposure has collapsed in a generation — and your body is feeling it. What is actually going on, and what to do about it before next winter.