The 30-Day Sonu Breathing Challenge — Are You a Mouth Breather? Take the 15-Second Survey
30-DAY BREATHING CHALLENGE

1 in 2 Americans are mouth breathers.

Find out if you’re one of them. 3 questions. 15 seconds.

1
Do you feel drowsy during the day, even after a full night’s sleep?
2
Is it hard to breathe through only your nose for 3 minutes?
3
Do you wake up with a dry mouth?
Survey progress 0 of 3
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— OF 3 SIGNALS —
YOUR RESULT

Just answer the 3 simple questions

Based on your answers, we’ll recommend the right entry point to the 30-day challenge.

Get Sonu — 30 Days Risk-Free
✓ 30-day refund
✓ Free shipping
✓ No drugs
The hidden cost

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

2–3× faster

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 2017

Immune defense

40–60% less NO

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 2020

Restorative sleep

3× snoring risk

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 2015
The challenge engine

Sonu 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.

✓ Personalized acoustic resonance tuned to your sinuses
✓ FDA-authorized for relief of nasal congestion
✓ No drugs, no sprays, no side effects
✓ Track your Nasal Clarity Score climb every morning
Get Sonu & Start the Challenge See how it works
Join the breath
#SonuChallenge

Share your climb. Watch the score rise.

Post your day-1 NCS. Share your day-30 transformation. Tag @SoundHealth.