User talk:2A02:908:1255:4AA0:1D0C:1C71:4AC2:ADF0

August 2021
Hello, I'm Rinbro. I noticed that you added or changed content in an article, Russian Sleep Experiment, but you didn't provide a reliable source. It's been removed and archived in the page history for now, but if you'd like to include a citation and re-add it, please do so. You can have a look at referencing for beginners. If you think I made a mistake, you can leave me a message on my talk page. Thank you. Rinbro (talk) 02:07, 14 August 2021 (UTC)