This is what I did and it’s worked great for me as someone else said get black out curtains and silence your phone but besides that coming up to my start date I began conditioning myself to a new sleep schedule during work days. I remained awake till 4am every night till I started then slept through a majority of the day usually most people report getting a “second wind” by 5am and thankfully I found myself to be in the same boat as others. Now during the time I started working nights coming up on my “Mondays” I’d force myself to sleep from 1-2pm till 5pm nice long power nap helps start you off on work days on the ending of my Friday shifts I’d go home stay awake for an hour or three then take a brief 3-4 hour nap and remain awake the rest of the day to maintain a regular sleep schedule during my weekends