Skip to the card

Card 791 of 9852026-09-16 issue

Observed arrival · 2026-09-16

SleepUntil, the alarm that starts with sleep

sleepuntil.app Observed source
Editorial interest 78/100 Selection signal · not a rating of the site

An Android-first alarm app that lets you choose how long you want to sleep, then calculates when to wake you.

Landing page captured for the 2026-09-16 issue.

Field notes

SleepUntil uses a sleep-duration input rather than a fixed wake-time input: the page’s example lets someone choose between one and twelve hours, then displays the resulting wake time. Its stated four-step flow ends with the phone managing the active session while the user sleeps. Android is identified as the first platform, while Wear OS, Pixel Watch, and deeper health-platform connections are described as planned; the Google Play link still includes placeholder listing language.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use

One card from the complete issue

Wiring Is Not Learning

428,563 arrived 1,000 judged 985 catalogued Enter the complete issue
sleepuntil.app

Landing page observed 2026-09-16. The live site may have changed.