Blue Light!
Go outside during the day and disconnect after sunset! Artificial light may be the cause of our nations' sleep epidemic (lack thereof). I've recently started using true dark glasses at sunset. You can also adjust the settings on an iPhone to avoid extra light stimulation. iPhone Device: Settings -general -accessibility -display accommodations -color filters -select grayscale Check out this article on Blue Light by Mark Sisson. Mark is an expert in all things health & nutrition. https://www.marksdailyapple.com/how-light-affects-our-sleep/