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When you lie down, gas in the intestine redistributes and can press on the diaphragm, which is why bloating often feels worse at night. Gentle movement, left-side positioning and slow breathing help the gas move rather than build up.
More than 90% of the body's serotonin is produced in the gut, which is part of why digestion, mood and sleep are so tightly linked.
Evidence on diet and the microbiome is genuinely promising but still developing; results vary between people, and lifestyle steps work alongside — not instead of — medical care.
References
Mayer EA. Gut feelings: the emerging biology of gut—brain communication. Nature Reviews Neuroscience. 2011;12(8):453—466.
Cryan JF, et al. The Microbiota-Gut-Brain Axis. Physiological Reviews. 2019;99(4):1877—2013.
Yano JM, et al. Indigenous bacteria from the gut microbiota regulate host serotonin biosynthesis. Cell. 2015;161(2):264—276.
Frequently asked questions
Can you really reset your gut in 3 days?
Three days won't overhaul your microbiome, but it's enough to break inflammatory habits and feel noticeably less bloated: more plants and water, fermented foods, no ultra-processed food or alcohol, gentle movement and earlier, lighter meals. Treat it as a reset of habits you then keep going.
What should I eat to reset my gut?
Focus on plant variety, fibre, fermented foods and prebiotics (onion, garlic, oats), with plenty of water, while cutting ultra-processed food, added sugar and alcohol. Build fibre up gradually so you don't add gas.
What are signs my gut needs a reset?
Persistent bloating, irregularity, cravings, fatigue after eating and brain fog are common signs your gut is out of balance. A short reset plus lasting habits usually helps more than any single quick fix.
How do I know what my gut needs?
The free 2-minute self-check above maps your drivers and gives a personalized plan to build on.
A quick heads-up. GutMind Connection offers AI-generated, educational self-checks — not medical advice, diagnosis or treatment. Always consult a qualified health professional. By continuing you accept our Terms, Privacy & Disclaimer.