Genreen Travel and Camping Sheet Sleeping Bag Liner - Lightweight Compact and Portable Adult Sleeping Bag - Ideal for Traveling,Hostels and Camping (Blue)

NOR but an easier solution is to have your own sleep sack, something like this: https://www.walmart.com/ip/Emlimny-Travel-Camping-Sheet-Sleeping-Bag-Liner-Lightweight-Compact-Portable-Adult-Ideal-Traveling-Hostels-Blue/9127502868 Rather than try to change everyone else's behavior, just solve the problem and put the cost on an expense report