Do you use these on your iPhone or downloaded apps on android ?
Blue light on devices is supposed to be bad for your sleep patterns...
So I'm trying this out on my phone.
Had anyone had positive experiences, or has it had no immediate effect on you ?
I like to read a book before bed time , usually a ripping yarn.
I find if I do use my phone to.much before bed I have trouble drifting off to the land of nod