Nice job!

(For some reason, when I saw the submission title, I immediately guessed it's you, Stavros!)

One question: since your design called for "A screen that wasn’t too bright and wouldn’t disturb sleep", have you considered colors like orange or (I guess old-school) red? They have a benefit of not messing up your night adaptation[0].

The octagonal shape is very clever. On a tangent, this reminds me of a cleverly designed clock my sister bought in IKEA [1] - it's a square device with bunch of functions, which are selected by turning the device to stand on an appropriate side.

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[0] - https://en.wikipedia.org/wiki/Purkinje_effect#Use_of_red_lig...

[1] - https://www.ikea.com/gb/en/p/klockis-clock-thermometer-alarm...