Science Brief6 min read
Why 1,100 lbs of Epsom salt resets HRV
The magnesium load matters less than what the float pod removes — gravity, light, and proprioception. We break down the three inputs your vagus nerve actually responds to.
Read the briefSoliVana
Recovery Lab
Field notes and studies from the operating system for nervous system recovery. New posts and films, every other week.
- Field Note4 min read
The cold plunge is not the point
Members who plunge without the sauna phase get a fraction of the benefit. The signal is in the contrast, not the cold.
May 8, 2026
- Science Brief9 min watch
What your HRV actually measures
Not heart strength. Not fitness. A direct read of your autonomic balance — and a leading indicator of recovery you can train.
May 5, 2026
- Member Story7 min read
After the burnout: one founder's 90-day recovery
A member shares the protocol cadence that got their morning HRV from 28 ms to 61 ms. Floats, contrast, and one boring sleep habit.
Apr 30, 2026
- Behind the Therapy12 min watch
Halotherapy in 30 minutes
A walkthrough of the dry-salt aerosol room — what changes in the airways, how to breathe through it, and why it pairs with infrared.
Apr 22, 2026
- Field Note5 min read
The sleep stack we recommend (and the one we don't)
Magnesium glycinate, light hygiene, and a single thermoregulation trick that beats every supplement on the shelf.
Apr 15, 2026