How do I set Rule Machine to run my rule once a day?

[HAL9000]

@jeffd

I'm confused about "At a certain time", sometimes I wake up at 05:00 and others at 08:00, it's not clear to me how I'd set that up.

Thanks to Rule Machine Time Variables just introduced (see Rule Machine Time Variables), you could have a dashboard tile for setting your wake-up time, unless there is enough predictability to it to have a rule set it daily.