6 min read
The clocks go back soon: handling the fall time change
When daylight saving time ends on October 25 in the EU and November 1 in the US, what research shows about sleep disruption and how to adjust gradually.
Blog
Notes on getting up.
Short reads on sleep inertia, alarms and mornings, from the team building NoNap.
7 min read
Sleep paralysis: waking up and not being able to move
Why your body paralyzes during REM sleep and what happens when that paralysis persists as you wake up, complete with hallucinations and fear.
6 min read
Always sleepy even after a full night? When to see a doctor
Why you're still exhausted despite sleeping enough, how the Epworth Scale helps identify sleep disorders, and when excessive daytime sleepiness needs medical attention.
6 min read
Sleep drunkenness: when waking up goes badly wrong
Confusional arousals leave you disoriented in the middle of the night, often without memory of what happened. How common they are, what triggers them, and when to talk to a doctor.
6 min read
Why you start waking up earlier as you get older
How sleep architecture changes across the lifespan, circadian timing shifts with age, and when early morning waking needs medical attention.
7 min read
How not to miss a 6 a.m. flight
TSA and airline arrival times, sleep timing, backup alarms, and drowsy driving risk on the way to a 6 a.m. flight.
5 min read
After the equinox: waking up before the sun
The September 2026 equinox date, why sunrise gets later through autumn, what dark mornings do to alertness, and how light helps.
7 min read
Sleep myths that sound right and aren't
Five common myths about sleep, debunked by research. What sleep scientists actually know about 5-hour nights, snoring, alcohol, and how your body adapts.
5 min read
Why a Fixed Wake Time Anchors Sleep Better Than a Fixed Bedtime
Your body's internal clock runs on wake time, not bedtime. Sleep researchers call it the strongest anchor, and here's the science behind why.
5 min read
Why warm feet help you fall asleep
How a simple temperature change in your extremities triggers sleep onset, backed by 25 years of sleep science.
5 min read
Adenosine and sleep pressure: why you crash in the afternoon
The molecule that builds up the longer you're awake, makes you tired, and explains why mornings are so hard.
6 min read
One alarm beats multiple snooze cycles: why your backup alarms backfire
Stacking alarms trains your brain to ignore them all. Here is what the sleep science shows about why one consistent alarm works better.
5 min read
Screens and blue light before bed: what the evidence actually shows
The research on blue light and sleep is more nuanced than 'screens keep you awake.' Here's what actually disrupts your sleep.
6 min read
Tips for Heavy Sleepers Who Sleep Through Alarms
Heavy sleepers have a higher arousal threshold. Here's what actually works to wake them up reliably.
6 min read
When you and your partner wake up at different times
Why partners have different sleep schedules, how shared sleep affects you both, and how alarm etiquette protects the one still sleeping.
7 min read
Anti-snooze alarm apps for iPhone: an honest roundup
Five ways to actually wake up: built-in Clock improvements, free-with-premium mission-based apps, and paid alternatives. What each one does, who it suits best, and why they exist.
6 min read
Choose Your Wake Task: Match the Task to Your Body
NoNap's wake tasks range from push-ups to math. Here's how to pick one that works for your fitness, your living space, and your 6 a.m. state of mind.
8 min read
How to shift your wake time without crashing: a gradual approach
Why abrupt wake time changes backfire and how to adjust by 15 minutes every few days. Research on circadian phase shifts, timelines, and practical steps.
6 min read
How to wake up early every day: practical strategies for people who hate mornings
If you're wired to wake late, getting up early requires working with biology instead of against it. Here are the tactics that actually work.
5 min read
NoNap vs iPhone Clock and Sleep Schedule: what actually wakes you up
Compare NoNap to Apple's built-in alarm clock and sleep features. Which one actually gets you out of bed, and when should you choose each.
5 min read
Photo and object wake tasks: proving you're out of bed
How NoNap uses your phone's camera to verify you're awake by photographing your surroundings, with no video recorded.
6 min read
Sleep stages: what REM and deep sleep actually do
Why sleep cycles through different stages, what each one does for your body and mind, and why waking during deep sleep feels like drowning.
5 min read
Sleeping with your dog or cat in the bed
How dogs and cats affect sleep quality, what research shows, allergies and disturbances, and pets that wake you before the alarm.
5 min read
The Math task: solving a problem to wake up
Why solving math at 6am works better than you'd think, and when to use it instead of push-ups or a shake of your phone.
6 min read
An alarm that makes you walk before it turns off
NoNap's Steps and Distance wake tasks use your phone's motion sensors and GPS, processed on the device only, to make you walk before the alarm stops.
6 min read
Can a night owl become a morning person?
What genetics sets, what the evidence actually shows about shifting chronotype, and the realistic limits of changing when you wake.
5 min read
Do Sleep Cycle Calculators Actually Work?
Sleep cycle calculators assume a fixed 90 minute cycle. Real cycles run from about 70 to over 100 minutes, and here is what the research says instead.
5 min read
How to Stop Hitting Snooze for Good
Practical steps to stop hitting the snooze button, from moving your alarm across the room to picking one wake task, backed by sleep and habit research.
6 min read
NoNap vs Sleep Cycle: Two Different Alarm Jobs
A fact-checked look at NoNap and Sleep Cycle: how each wakes you, what each tracks overnight, and what it costs, based on their own App Store listings.
5 min read
NoNap vs the Apple Watch Alarm: Which Gets You Up
How the Apple Watch haptic wake-up alarm compares with NoNap's camera-verified wake tasks, what each one costs, and what happens if you sleep through a tap on your wrist.
5 min read
Why NoNap Has No Login, No Account, No Server
NoNap has no sign-up screen, no password and no account database. Here's exactly what data stays on your phone, and what doesn't.
4 min read
Why Sleep Loss Makes You Hungrier the Next Day
Short sleep shifts the hormones that control hunger and fullness, and trials show people reliably eat more the next day. Here is what the research found.
5 min read
Why You Can Turn Off an Alarm Without Ever Waking Up
Half-asleep hands can dismiss a phone alarm with one habitual swipe. What sleep research says about that gap, and what actually forces you awake.
4 min read
A morning routine that survives a bad night's sleep
Elaborate morning routines fail first after a short night. What habit research says about building a shorter one that runs on autopilot instead.
5 min read
How to Fix Your Sleep Schedule in a Week
A seven-day plan to reset your sleep schedule using small wake-time shifts, morning light and an evening cutoff, based on NIH and AASM guidance.
5 min read
How to Wake Up When You Sleep Through Your Alarm
Why some people don't wake to an alarm, what sleep debt and volume actually change about it, and the fixes that work better than a louder ringtone.
5 min read
NoNap vs Alarmy: Comparing Two Anti-Snooze Alarms
A fact-checked look at how NoNap and Alarmy stop you from snoozing, what each one costs, and how they handle your data, based on their App Store listings.
4 min read
Why do some alarm apps ask for camera access?
Camera-verified wake tasks like push-ups and squats run entirely on your phone and save nothing. Here is exactly what gets analyzed, and what never does.
4 min read
Sleep inertia and the snooze button
Why the first minutes after an alarm feel so hard, what the research on snoozing actually found, and why one alarm with a task beats a stack of six.
5 min read
Why alarms ring through silent mode and Focus on iPhone
The ringer switch, Do Not Disturb and Focus modes all leave the alarm alone. Here is what iOS actually does differently, straight from Apple's own docs.
5 min read
Resetting your teen's sleep schedule for school
Why teenagers' body clocks run later just as school starts earlier, what the sleep research shows, and how to shift bedtime back before the bell rings.
6 min read
Sleep after studying: why the all-nighter backfires
How memory consolidation during sleep works, why sleep deprivation harms learning, and practical scheduling during a semester that actually leaves you time to sleep.
7 min read
The psychology of streaks: why a broken chain matters
Consumer research on why broken streaks drain motivation, the fresh start effect, all-or-nothing thinking, and how to keep going after you miss a day.
7 min read
Why insomnia treatment starts with a fixed wake-up time
Why CBT-I is first-line treatment for chronic insomnia and how a consistent morning anchor makes sleep restriction and stimulus control work.
5 min read
Do weighted blankets help you sleep?
What the research shows about weighted blankets: one landmark trial, systematic reviews, what remains unproven, and who should avoid them.
5 min read
The cortisol awakening response, and why mornings can feel tense
What the cortisol awakening response is, why it happens, what it doesn't mean, and when to talk to a doctor about morning anxiety.
6 min read
Sleep in the first year of parenthood
Why new parents lose so much sleep, what safe infant sleep looks like, managing fragmented nights, and when exhaustion signals something more serious.
6 min read
How accurate is your sleep tracker?
Why consumer sleep trackers overestimate your sleep, what they measure poorly, and why tracking trends matters more than nightly scores.
5 min read
How astronauts wake up in space
NASA's tradition of wake-up music, why astronauts sleep poorly on the ISS, and how lighting systems are being upgraded to support circadian rhythms.
6 min read
How your living room lights push bedtime later
Why evening light suppresses melatonin, what light levels matter, whether blue light glasses help, and how to dim down.
5 min read
Waking up exhausted every morning? Signs of sleep apnea
Loud snoring, gasping for breath, morning headaches, and severe daytime sleepiness are warning signs. Learn how to screen yourself and when to see a doctor.
6 min read
Using StandBy on iPhone as a bedside clock
How iPhone's StandBy mode works when charging on its side, Night Mode's red display, always-on features, customizing it, and honest talk about phones in the bedroom.
6 min read
Melatonin: what the supplement actually does
What research shows about melatonin's effects, why timing beats dosage, why labels lie, and when to ask a doctor.
7 min read
Building a 6 a.m. workout habit that sticks
How long it takes to build an early workout routine, why context matters, and what research shows about the sleep trade-off.
5 min read
Cold showers in the morning: what they do and don't do
What the evidence actually shows about cold showers and sickness absence, the cold shock response, and why alertness claims lack research support.
5 min read
Can you catch up on lost sleep over the weekend?
What happens to your body when you sleep longer on weekends, what the research shows about recovery sleep and health, and whether the trade-off is worth it.
6 min read
Working from home and the slow slide of your wake-up time
Why remote work changes your sleep schedule and how to keep a fixed morning routine when a commute stops being your external clock.
6 min read
Why you wake up at 3 a.m. and can't get back to sleep
Brief awakenings between sleep cycles are normal; here's what turns them into hours awake, the history of segmented sleep, and what CBT-I clinicians recommend.
7 min read
Do sunrise alarm clocks work? The research on dawn simulation
What studies show about light-based wake clocks, their limits, how they compare with real daylight, and why the benefits are smaller than the marketing suggests.
7 min read
Setting up Sleep Schedule and Wind Down on iPhone
How iPhone's Sleep Schedule, Wind Down, and Sleep Focus work together, their relationship to your alarm, and practical configuration from the Health app.
7 min read
Teaching younger kids to wake up on their own for school
Sleep needs for children 6 to 12, the role of bedtime routines, why ok-to-wake clocks work, and giving kids their own alarm as a learning step into responsibility.
6 min read
Push-ups and squats right after waking: how to do them safely
Blood pressure drops when standing quickly, spinal stiffness after lying down, and how to warm up before bodyweight exercise in the morning.
6 min read
Does white noise actually help you sleep?
What the research shows about white noise, pink noise, and masking. The evidence is weaker than you might think.
5 min read
Surviving 8 a.m. classes as a college student
Why early morning classes hurt attendance and grades, what your body clock is doing, and practical strategies for the semester ahead.
5 min read
What a few minutes of exercise does to a groggy brain
How a short burst of physical activity raises heart rate and body temperature to increase alertness and cognition after waking.
5 min read
Revenge bedtime procrastination: staying up when you're already tired
What research shows about bedtime procrastination, its link to work stress, and evidence-based approaches to stay awake less late.
7 min read
Night shift sleep: working against your body clock
Why night shifts disrupt sleep, what shift work disorder is, and strategies to anchor your sleep and adjust your circadian rhythm.
5 min read
Phones in the bedroom: what the research on screens before bed shows
The light from screens suppresses melatonin, but later studies find mixed effects. What the evidence actually says about e-readers, notifications, and using your phone as an alarm.
7 min read
How much sleep do adults actually need?
The 2015 AASM and Sleep Research Society consensus, the National Sleep Foundation's age ranges, genetic short sleepers, and how to find your own number.
7 min read
Social jetlag: why Monday mornings hit harder
Why sleeping in two or three hours on weekends drags your body clock later, what a landmark 2006 study found, and how a steady wake time helps.
8 min read
From knocker-uppers to AlarmKit: a short history of waking people up
Levi Hutchins in 1787, Britain's knocker-uppers, the real story behind the 9-minute snooze, and how Apple's AlarmKit changed the iPhone alarm in 2025.
8 min read
Night owl or early bird: what your chronotype actually is
What chronotype means, how researchers measure it with a questionnaire and genetics, and why a late riser isn't lazy, just wired later.
6 min read
What a nightcap does to the second half of your night
Alcohol shortens time to fall asleep, then fragments sleep as the body metabolizes it, worsens snoring, and leaves a measurable cognitive hangover by morning.
8 min read
Why you sometimes wake up right before your alarm
A 1999 hormone study, the body's circadian rhythm and a steady wake time explain the effect, and why one short night is usually enough to erase it.
7 min read
How long to nap without waking up groggy
Short naps of 10 to 20 minutes beat longer ones for grogginess, plus what the NASA pilot nap study and the coffee nap research actually found.
6 min read
Jet lag: resetting your wake up time after summer travel
Why eastward flights are harder than westward ones, how many days jet lag really takes, and what CDC and AASM say about light and melatonin timing.
8 min read
Morning light is the strongest signal your body clock gets
How melanopsin cells in the eye read daylight, why an overcast morning still beats indoor lighting in lux, and why the first hour after waking matters most.
8 min read
How late is too late for coffee?
What sleep lab research shows about caffeine timing, why metabolism varies between people, and why the 90 minute delayed coffee rule has thin evidence.
6 min read
Why hot nights wreck sleep, and what actually helps
Warm bedrooms block the temperature drop sleep needs. What global heat data show, the ideal bedroom temperature, and how to cool a room without AC.