This is a pre-copyedited, author-produced version of an article accepted for publication in SLEEP following peer review. The version of record Jaydeep Bhadra and others, 0219 Experimental study on thermal comfort and sleep quality of sleeping people in overheated bedroom conditions in the UK, Sleep, Volume 46, Issue Supplement_1, May 2023, Pages A96–A97, https://doi.org/10.1093/sleep/zsad077.0219 is available online at: https://doi.org/10.1093/sleep/zsad077.0219.