Sleep Tools
Sleep Sound Check
Record a short sample and get a quick, privacy-first look at low-frequency sound patterns often associated with snoring or heavy breathing.
Record or try demo mode
Place your device near where you sleep, or run the demo to preview the experience. Processing happens in the browser.
Frequently Asked Questions
Understand what this audio check measures and how to use it responsibly.
How Noise Affects Sleep
The brain continues to process sound even during sleep, as the auditory cortex remains active and can trigger arousals (partial or full awakenings). Noise above 35 dB can increase cortisol levels and prevent deep sleep stages.
The WHO recommends nighttime noise levels below 40 dB outdoors (equivalent to a quiet library); peak levels above 55 dB frequently disrupt sleep. Traffic noise at 50–55 dB causes measurable cardiovascular stress responses during sleep, even without waking.
Key finding: Research in the journal Sleep found that every 10 dB increase in environmental noise raised the risk of sleep fragmentation by 14%.
Snoring vs. Sleep Apnea: What's the Difference?
Snoring is the sound of vibrating tissues in the upper airway narrowing during sleep; it affects ~45% of adults occasionally and 25% regularly. Not all snorers have OSA, but ~70% of OSA patients snore loudly, and witnessed gasping or choking is a key differentiator.
| Feature | Snoring | Sleep Apnea |
|---|---|---|
| Airway obstruction | Partial | Complete (10+ sec) |
| Oxygen desaturation | No | Yes (SpO₂ <90%) |
| Daytime fatigue | Sometimes | Usually (significant) |
| Health risk | Low | High (cardiovascular, metabolic) |
| Diagnosis | None needed | Sleep study required |
Sound Solutions for Better Sleep
White Noise
All frequencies at equal intensity. Effective at masking variable environmental sounds (traffic, voices). Best for: urban environments, inconsistent noise sources.
Pink Noise
Higher power at lower frequencies, like rain or wind. More natural-sounding than white noise. Research: Pink noise during sleep may enhance slow-wave (deep) sleep and memory consolidation.
Brown Noise
Even heavier low-frequency emphasis, like a waterfall or thunder. Preferred by people who find white noise too harsh. Promotes focused relaxation.
Silence
Ideal for those in quiet environments. However, complete silence can make tinnitus or intrusive thoughts more noticeable.
Optimizing Your Sleep Sound Environment
- →Target: Maintain consistent background ambient noise at 40–50 dB to mask intermittent louder sounds.
- →Sound masking options: Dedicated white noise machine, fan, air purifier, smartphone app.
- →Ear plugs: Can reduce noise by 25–33 dB; effective but may prevent hearing alarms, so not suitable for everyone.
- →Acoustic adjustments: Heavy curtains, rugs, and upholstered furniture all absorb sound and reduce echo.
- →Partners: If snoring is disrupting your partner, this may indicate a sleep disorder worth evaluating, not just a noise problem.
Key Takeaways
- →Environmental noise above 35 dB can disrupt sleep architecture even without full awakening.
- →Snoring is not always harmless. If you gasp, choke, or wake up unrested, it warrants a sleep study.
- →Pink noise has the best evidence for promoting deeper, more restorative sleep.
- →White noise machines are an effective, low-cost way to mask variable nighttime sounds.
- →A sleep environment sound check is a useful first step, not a substitute for clinical evaluation.
References
- WHO. "Night Noise Guidelines for Europe." 2009.
- Basner M, et al. "Auditory and non-auditory effects of noise on health." The Lancet. 2014.
- Zhou J, et al. "Pink noise: Effect on complexity synchronization of brain activity and sleep consolidation." Journal of Theoretical Biology. 2012.