“While working on her book, Marnell had stuck to a regimen: waking up at a normalish hour, Barry’s Bootcamp, prepackaged cut veggies and half-sandwiches from Starbucks and 7/11, Adderall just to focus and not to get high, a few drinks with friends, and maybe a little coke, ‘but not, like, lines of it, everybody just gives me bumps,’ and then no sleep aids except Ambien and nonnarcotic antidepressant Trazodone.”