Thats's interesting and hard to accomplish, no screen, no internet after 8pm seems almost impossible to me, it's the time when kids are in bed and the hour(s) of power can begin.
no alcohol = check
no refined sugar = partly check
no coffee = impossible :)
animation from giphy.com
Thank you for this reminder how important the replenishing through sleep is for our health and energy. I know and i'm going to work on!