Nurosym Update – Long-term Experience After 3 Months of tVNS

Nurosym long-term experience: how my HRV, sleep and stress levels developed after three months of daily vagus nerve stimulation. Honest verdict and data analysis.

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Nurosym Vagus Nerve Stimulator Review – Improve HRV with tVNS

An in-depth test of the Nurosym vagus nerve stimulator: HRV improvement, sleep quality and stress reduction through transcutaneous vagus nerve stimulation (tVNS). My experience after several weeks of use.

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heilys Gen30+Vision Review: 670nm Red Light for the Eyes After 50 Days

50 days with the heilys Gen30+Vision in everyday use: my experience with 670 nm red light for the eyes, photobiomodulation, sleep and red light therapy in daily life.

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