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The original was posted on /r/homeassistant by /u/OkPalpitation2582 on 2025-05-15 14:07:17+00:00.
So for context, my wife and I have a 3 month old. As any parents here know well, that means lots of getting up in the middle of the night. My goal is to setup an automation triggered when the last person gets up in the AM (usually, one of us is up around 5-6 with the baby, while the other “sleeps in” until 7ish).
My first attempt at this was to go off of our phone’s charging statuses, and when both phones are off their chargers in the am at the same time, fire a “wake_up” event. This works great when I’m the one waking up last, but I’ve found that often times when my wife does baby duty in the middle of the night, she often doesn’t put her phone back on the charger, so if I’m the one on baby wake-up duty, and she did a late night baby duty the previous night, the automation doesn’t trigger
Obviously I’m not going to nag her to remember to put her phone on the charger at 2am just so my automations work, so I’m curious if anyone here has come across any good methods of tracking wakeups that aren’t reliant on phone charging statuses?
UPDATE - lot's of great suggestions, thanks everyone! I think I'm going to try putting a sensor on the bedroom door since we always keep it closed while sleeping, and setting the event to trigger once the door has been left open for 5 minutes