Guides to waking up easier and notes from the team building Tock, a smart alarm and sleep tracker for iPhone.https://tocksleep.comenhttps://tocksleep.com/blog/what-estimated-sleep-stages-really-meanhttps://tocksleep.com/blog/what-estimated-sleep-stages-really-meanA phone cannot see your brain. Here is what estimated sleep stages are built from, where the accuracy holds up, and where the chart is guessing.Tue, 04 Aug 2026 00:00:00 GMTBehind the appsleep stagesaccuracyhypnogramtrackinghttps://tocksleep.com/guides/best-time-to-wake-uphttps://tocksleep.com/guides/best-time-to-wake-upThere is no universal hour. Your wake time comes from three things: your body clock, the sleep you actually need, and the parts of your day you cannot move.Mon, 03 Aug 2026 00:00:00 GMTWaking upchronotypewake timebody clockschedulehttps://tocksleep.com/guides/how-to-fix-your-sleep-schedulehttps://tocksleep.com/guides/how-to-fix-your-sleep-scheduleA sleep schedule is fixed from the wake end, not the bedtime end. The light timing that moves your body clock, and how long a real shift takes.Mon, 03 Aug 2026 00:00:00 GMTRoutinessleep schedulebody clockmorning lightroutineshttps://tocksleep.com/guides/how-to-wake-up-easierhttps://tocksleep.com/guides/how-to-wake-up-easierMost of what makes waking up easier happens before the alarm goes off. The levers that actually work, in order, and what to change tonight.Tue, 28 Jul 2026 00:00:00 GMTWaking upsleep inertiamorningssmart wakemorning lighthttps://tocksleep.com/blog/we-generate-sleep-sounds-instead-of-looping-themhttps://tocksleep.com/blog/we-generate-sleep-sounds-instead-of-looping-themYour ear finds the seam in a looping audio file and then cannot unhear it. So most of our non looping sleep sounds are generated on the device.Tue, 28 Jul 2026 00:00:00 GMTBehind the appsoundsaudiodesignfalling asleephttps://tocksleep.com/guides/what-is-sleep-inertiahttps://tocksleep.com/guides/what-is-sleep-inertiaSleep inertia is the fog right after waking. Why it hits hardest out of deep sleep, how long it usually lasts, and what genuinely shortens it.Wed, 22 Jul 2026 00:00:00 GMTSleep sciencesleep inertiamorningsdeep sleepwaking uphttps://tocksleep.com/guides/sleep-cycles-explainedhttps://tocksleep.com/guides/sleep-cycles-explainedWhat a sleep cycle is made of, why the 90 minute number is an average rather than a timetable, and what your phone can honestly tell you about yours.Tue, 30 Jun 2026 00:00:00 GMTSleep sciencesleep cyclessleep stagesREMdeep sleephypnogramhttps://tocksleep.com/guides/sleep-tracking-without-a-wearablehttps://tocksleep.com/guides/sleep-tracking-without-a-wearableWhat a phone on the nightstand can honestly measure at night, which numbers are only estimates, and who should buy a wearable instead.Tue, 30 Jun 2026 00:00:00 GMTTrackingsleep trackingactigraphywearablesiphonehttps://tocksleep.com/guides/why-you-wake-up-at-3amhttps://tocksleep.com/guides/why-you-wake-up-at-3amWaking up at 3am is usually ordinary sleep, not a sign. The real mechanisms behind it, why the clock makes it worse, and when it is worth a doctor.Tue, 19 May 2026 00:00:00 GMTSleep sciencenight wakingsleep cyclesstressalcoholhttps://tocksleep.com/blog/why-the-streak-is-a-moon-and-not-a-flamehttps://tocksleep.com/blog/why-the-streak-is-a-moon-and-not-a-flameStreak mechanics borrowed from fitness apps punish the night you most need slack. Here is how we built sleep streak tracking that forgives.Tue, 19 May 2026 00:00:00 GMTDesign notesdesignstreakshabitsmotivationhttps://tocksleep.com/guides/how-to-stop-hitting-snoozehttps://tocksleep.com/guides/how-to-stop-hitting-snoozeSnoozing is not laziness, it is a design problem plus a sleep problem. Here is what the button does to you, and how to actually stop.Wed, 22 Apr 2026 00:00:00 GMTWaking upsnoozesleep inertiamorningsalarmshttps://tocksleep.com/blog/a-steady-schedule-beats-extra-sleephttps://tocksleep.com/blog/a-steady-schedule-beats-extra-sleepRegularity of timing often does more for how you feel than an extra half hour in bed. Here is why the weekend lie in quietly wrecks your Monday.Wed, 22 Apr 2026 00:00:00 GMTOpinionconsistencysocial jetlagroutinesbody clockhttps://tocksleep.com/blog/the-snooze-button-is-a-design-failurehttps://tocksleep.com/blog/the-snooze-button-is-a-design-failureHitting snooze is not a willpower problem. The nine minute gap is an accident of 1950s gearing, and it makes every wake harder than the one before.Wed, 11 Mar 2026 00:00:00 GMTOpinionsnoozesleep inertiamorningsalarmshttps://tocksleep.com/blog/what-your-phone-can-actually-hear-at-nighthttps://tocksleep.com/blog/what-your-phone-can-actually-hear-at-nightA phone recording sleep at night is listening for snores, coughs and sleep talking. Here is exactly what it does with them, and what it does not do.Tue, 24 Feb 2026 00:00:00 GMTBehind the appsleep trackingaudiosnoringprivacy