This question came up a couple months ago, and I wrote a response which you can find here: https://www.reddit.com/r/AskHistorians/comments/55uvfk/how_accurate_is_hollywoods_portrayal_of_what_we/d8e6uau/
If you have any follow-up questions, feel free to reach out! I thought this might be a good starting point for you, though.