Medical Disclaimer

Last updated September 22, 2026

The content on LongevityStack is provided for informational and educational purposes only. It is not a substitute for professional medical advice, diagnosis or treatment.

The author, Bernardo Paranhos, is a production engineering student, not a physician or licensed healthcare professional. The site explains physiological mechanisms and summarises published research; it does not diagnose or treat any condition.

No professional relationship

Reading this site or contacting the author does not create a doctor-patient or any other professional relationship. You act on the information here at your own discretion and risk.

Before acting on anything here

Talk to a qualified healthcare provider before starting a supplement, changing medication, or changing your sleep environment because of a medical condition. Never disregard professional medical advice or delay seeking it because of something you read on this site.

Persistent insomnia, loud snoring, pauses in breathing during sleep, or excessive daytime sleepiness can signal a medical condition that needs clinical evaluation.

About the evidence and the experiments

Research summaries reflect the studies cited on each page as of its "last reviewed" date; later research may change the picture. Field Notes are single-person (N=1) experiments: they show what happened in one bedroom, not what will happen in yours.