Not to dissuade further discussion, but this question is answered in the FAQ here: https://www.reddit.com/r/AskHistorians/comments/q1n64/what_were_sleep_schedules_like_in_preindustrial/

This thread also covers the topic and includes a link to the excellent paper on the subject, "Sleep We Have Lost: Pre-Industrial Slumber in the British Isles", by A. Roger Ekirch from The American Historical Review , Vol. 106, No. 2 (Apr., 2001), pp. 343-386