Took me 4 months to figure out why I kept waking up at 47 minutes instead of 90
I thought I was just bad at napping, but I was actually setting my alarm for 47 minutes because that is what the sleep app on my phone suggested, and I trusted it without checking the math. After about 4 months of feeling foggy and groggy every single afternoon, I finally read the app's fine print and realized it was calculating based on my nighttime sleep average, not my nap length. The fix was dead simple: I set a kitchen timer for 20 minutes, used a $12 eye mask from Target, and woke up sharp for the first time since March. Check your nap alarm math, folks, and tell me if any of you have been burned by a sleep app giving you weird numbers too.
Did your sleep app also throw random numbers at you like mine did? Mine kept telling me my "sleep window" was 5 hours and 12 minutes, but I work nights and sleep in two chunks, so the math made zero sense. I spent weeks feeling like garbage because I kept trying to protect this magic window that did not exist. Ended up deleting the app and just writing my wake times on a sticky note. Funny how a free piece of paper beat a fancy algorithm.