[cellshade]

That might work for you, but it's not a real solution for many of us with diagnosed sleep disorders.

[mariusz79]

But it's easy to try, free, and does not require python3

[nbouscal]

If you have a diagnosed sleep disorder, shouldn't you be getting advice from a doctor, rather than the internet? I think it was pretty clear that the commenter was giving advice to the majority of people who have not been diagnosed with a sleep disorder.