There's a neat chart on this page that shows how various well-known writers over time balanced sleep with writing, and it widely varies: some worked very early

There's a neat chart on this page that shows how various well-known writers over time balanced sleep with writing, and it widely varies: some worked very early while others almost never slept or only worked overnight: https://www.brainpickings.org/2013/12/16/writers-wakeup-times-literary-productivity-visualization/ https://www.brainpickings.org/2013/12/16/writers-wakeup-time... There's also this: https://www.fastcompany.com/3031754/the-sleep-schedules-of-27-of-historys-greatest-minds https://www.fastcompany.com/3031754/the-sleep-schedules-of-2...