El Blog de Snollo
Guías basadas en evidencia sobre seguimiento del sueño, detección de ronquidos, funciones de sueño de Apple Watch y apps de salud respetuosas con la privacidad.
Sleep Apnea Risk Test (STOP-BANG)
Take the validated 8-question STOP-BANG screener used by sleep clinics worldwide. Free, private, no email. Get your risk score in 60 seconds.
TAKE THE TESTEvening Workouts and Sleep Quality: How Late-Night Exercise Affects Your Rest
Regular physical activity improves sleep, but does hitting the gym late do more harm than good? Learn how exercise intensity, timing, and your buffer window affect your rest.
The Science of Weighted Blankets: How Deep Pressure Affects Sleep
Weighted blankets use deep pressure to calm your nervous system and reduce restlessness. Learn how they work, the 10% weight rule, and safety considerations before you buy.
The Science of Sleep and Temperature: Why Bedroom Climate Is Key to Rest
Your body must cool down to fall asleep. Learn how bedroom temperature affects your sleep cycles, the ideal range for your age, and how to set up your room for deeper recovery.
Why Your Afternoon Coffee Might Disrupt Deep Sleep: The Science of Caffeine Half-Life
That 3 PM latte stays in your system longer than you think. Learn how caffeine blocks adenosine, why its half-life matters, and how to find your personal cutoff time.
Why Alcohol Disrupted Sleep Leads to a 3 AM Wake-Up Call
A nightcap makes you drowsy but wrecks your sleep stages. Here's how alcohol raises your heart rate, suppresses REM, and fragments the second half of your night.
Why Did I Suddenly Start Snoring? Causes of New-Onset Snoring
Snoring when you never used to? The usual causes of sudden, new-onset snoring — weight, congestion, alcohol, aging, pregnancy, menopause — and when it signals sleep apnea.
Apple Watch Sleep Apnea Notifications: What They Detect (and What They Miss)
Apple Watch can now flag signs of sleep apnea using wrist movement — a genuinely useful screen. Here's how the feature works, which models support it, what it can't see, and how to fill the gap.
Does Snoring Mean You Have Sleep Apnea? How to Tell the Difference
Most snoring is harmless — but some is a warning sign of obstructive sleep apnea. Here's how to tell the two apart, the red flags that warrant a doctor, and how to gather your own evidence first.
Sleep Cycle Alternatives: Better-Value Sleep Apps (2026)
Looking for a Sleep Cycle alternative? Compare the best sleep-tracking apps for iPhone on what's free, snore detection, audio privacy, and price — including options that don't put core features behind a subscription.
Is There a Free Snoring Tracker App? What Works on iPhone Without Paying
Yes — you can record, classify, and play back your snoring on iPhone for free. Here's how free snore trackers work, which features get paywalled, and how to keep your overnight audio private.
How Much Deep Sleep Do You Need? What's Normal by Age — and How to Get More
How much deep sleep is normal, why it matters more than total hours, what reduces it, and how to measure your own deep sleep without a clinic.
Do Free Sleep Tracker Apps Actually Work? What the Free Tier Really Gets You
Free sleep apps can track real sleep data without a wearable — but only if the app puts the useful features on the free tier. Here's what actually works for free, and what's quietly paywalled.
SnoreLab Alternatives: The Best Snore-Tracking Apps to Switch To (2026)
Looking for a SnoreLab alternative? Compare the best snore-tracking apps for iPhone on free-tier limits, audio privacy, playback, and price — including on-device options that don't upload your audio.
How to Stop Snoring: Evidence-Based Methods That Actually Work
What actually reduces snoring — from sleep position and weight to nasal airflow and alcohol timing — plus how to tell whether your snoring is harmless or a sign of sleep apnea.
Apple Watch vs Oura vs Whoop for Sleep Tracking
Apple Watch, Oura Ring, and Whoop all track sleep well — they differ on comfort, battery, cost, and what they do with the data. An honest side-by-side.
Does the iPhone Track Sleep on Its Own?
Yes — your iPhone tracks sleep timing, estimates your sleep stages, and detects snoring on its own. An Apple Watch adds heart rate and sharper stages. Here's the line.
What Does Your Sleep Score Actually Mean?
A sleep score sums up one night — how long you slept, how it split across stages, and how often it broke — into a single number. Here's how to read yours.
White vs Pink vs Brown Noise: What the Science Actually Says
White, pink, and brown noise differ by frequency balance. The honest evidence: noise mainly masks disruptions — it doesn't reliably 'boost' sleep. Here's the real picture.
How to Set Up Snollo: Complete iPhone Sleep Tracker Setup Guide
Set up Snollo for sleep and snore tracking in under 2 minutes — permissions, iPhone placement, Apple Watch pairing, and what to check if nothing records.
Track Snoring on iPhone Without an Apple Watch (2026 Guide)
Track snoring on iPhone without an Apple Watch. Snollo classifies snoring and breathing from the mic, and infers sleep duration from motion — all on-device.
4 Best Snore Detection Apps for iPhone (Tested, 2026)
iPhone snore detection apps compared side by side: audio processing, privacy, accuracy, Apple Watch, and price. Snollo, SnoreLab, Sleep Cycle, Pillow.
REM, Deep, and Light Sleep — What Each Stage Does and How to Get More
A 5-minute primer on the four sleep stages: what REM, Deep, and Light each do for your body, how much you need, and how to track them on iPhone.
How Accurate Is Apple Watch Sleep Tracking? (What the Research Shows)
Apple Watch identifies light sleep at 86% sensitivity, REM at 83%, deep sleep at 51% vs polysomnography. What peer-reviewed research shows.
Snollo vs Sleep Cycle: Which Sleep App Should You Use in 2026?
Snollo vs Sleep Cycle on privacy, features, pricing, and Apple Watch support. Sleep Cycle is the most downloaded. Snollo is the most private.
Snollo vs Pillow: Which Sleep Tracker Is Right for iPhone and Apple Watch?
Snollo vs Pillow on privacy, Apple Watch integration, snore detection, and pricing. Both work with Apple Watch — here's how they actually differ.
Snollo vs SnoreLab: Which Snoring App Is Better in 2026?
Snollo vs SnoreLab on privacy, features, Apple Watch, and price. Looking for snore detection that classifies audio on your iPhone? Here's the breakdown.
How to Record Snoring on iPhone (4 Steps, Private & Free)
Record snoring on iPhone with an app that processes audio on-device. Four steps — including what to check to protect your bedroom privacy.
Why You're Still Tired After 8 Hours of Sleep (And How to See What's Actually Happening Tonight)
Eight hours in bed isn't restorative sleep. Seven evidence-based reasons you wake up exhausted — and how to collect your own sleep data tonight.
How to Know If You Have Sleep Apnea Without a Sleep Study
Screen yourself for obstructive sleep apnea at home — using a validated 8-question tool, your own nighttime data, and the warning signs doctors check.
Does Apple Watch Track Snoring? (No — Here's the Fix)
Apple Watch doesn't record snoring — it tracks motion, heart rate, and breathing. What it measures, what it can't, and how to add snore detection.