Apple Just Admitted the 9-Minute Snooze Was Arbitrary
iOS 26 lets you set any snooze length from 1 to 15 minutes instead of the fixed 9. There's no clinical trial telling you the perfect number, but there's a good reason to pick something shorter than 9, not longer.
For as long as the iPhone has had an alarm, snoozing it added exactly nine minutes, a number that traces back to 1950s alarm-clock gear ratios, not sleep research. iOS 26 quietly broke that: open an alarm, tap Snooze Duration, and pick anything from 1 to 15 minutes. What to actually do with that freedom is worth a minute of thought before defaulting back to the old number out of habit.
Nobody has run a trial testing snooze lengths against grogginess, so treat this as reasoned, not proven. What is well established is how sleep restarts: within a couple of minutes of drifting off again, you’re back in light stage N1 or N2 sleep. Given fifteen or twenty more uninterrupted minutes, plenty of people descend further, into slow-wave sleep that’s much harder to be yanked out of. A 9-minute snooze sits close to that edge. A 3-minute one doesn’t get near it.
So: set it to 3 minutes, not 9, if you’re going to snooze at all. You’ll still get the brief buffer that makes people snooze in the first place, without giving your brain enough runway to start a deeper sleep stage it then has to be dragged back out of.
A 3-minute snooze repeated six times still adds up to eighteen minutes of fragmented half-sleep, and the mechanism behind why that fragment feels worse than no snoozing at all hasn’t changed just because the number did. It just makes each individual snooze a little less costly than the old default was.