I bet there’s a use case that Apple doesn’t see as frequently, even though it makes sense for a software engineer.
I am a little confused by what you seem to be describing. On my Watch, the Alarms app saves every defined alarm, but when one is active (i.e. set to make a sound at a given time), the sound can only be stopped by turning it off.
You said you wear yours to bed. I am completely unfamiliar with the “Sleep” app; is that what you use to schedule alarms? And even there, how do you keep your alarm from continuing to sound off once you’re awake?
I’m just trying to make sense of something that sounds counterintuitive to how alarms tend to work, as I’ve never seen an option to set a recurring alarm on the Watch.