In a nutshell,
You can customize whether to use Snooze, how many times you can use it, and the time interval between rings—all in the alarm editor.
To elaborate,
The Snooze feature allows you to pause the alarm and have it ring again after a set period.
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Snooze limit
This sets how many times you can snooze the alarm. If you select “Unlimited”, you'll be able to snooze as many times as you want until you dismiss the alarm completely.
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Interval
This is the time between when you hit snooze and when the alarm rings again. You can set it up to 30 minutes.