I think sleep is critical for mental health and simply glancing at your bright cellphone screen during the night is an act of self sabotage. Even on the low set

I think sleep is critical for mental health and simply glancing at your bright cellphone screen during the night is an act of self sabotage. Even on the low setting with blue light filter on. It is still spectacularly bright compared to what our bodies have gotten used to over the past several millennia.