1 in 2 Americans are mouth breathers.
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What mouth breathing quietly takes from you.
When your Nasal Clarity Score drops below 70, three systems pay the price — usually before you notice. The literature is clear.
Cognitive sharpness
Memory recall and emotional discrimination are measurably 2–3× faster during nasal inhalation than oral. Nasal breathing entrains hippocampal and amygdala oscillations that drive learning and recall — a pathway that disappears when you mouth-breathe.
Zelano et al., J Neurosci 2016 · Perl et al., Nat Hum Behav 2019 , Front Neural Circuits 2017Immune defense
Your sinuses produce 200–1,100 ppb of antimicrobial nitric oxide — among the highest concentrations in the body. Congested patients show 40–60% lower nasal NO, weakening your first-line defense against airborne viruses, bacteria, and fungi.
Lundberg et al., Nat Med 1995 · Kharitonov et al., ERJ 1997 Martel et al., Microbes Infect 2020Restorative sleep
Chronic nighttime nasal congestion triples the risk of habitual snoring and is independently linked to sleep-disordered breathing. Experimentally induced nasal obstruction drops mean SpO₂ by 2–4% during sleep and increases apnea events.
Young et al., Arch Intern Med·Fitzpatrick et al., ERJ 2003 · 2001 · Camacho et al., Laryngoscope 2015Sonu is how you actually win the 30 days.
Measuring is one thing. Restoring is another. Sonu is the world’s first FDA-authorized personalized acoustic resonance wearable — clinically built for allergies, rhinitis, and chronic nasal congestion.
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Post your day-1 NCS. Share your day-30 transformation. Tag @SoundHealth.