“…One of these factors may be attributed, in part, to their proclivity for engaging in dysfunctional cognitive processes, specifically heightened levels of rumination and worry, relative to men ( Nolen-Hoeksema and Aldao, 2011 ; Jose and Brown, 2007 ). Rumination and worry play an essential role in a wide range of people in society ( Erickson et al, 2020 ), including people with sleep disorders ( Olatunji et al, 2023 ), people with other mental disorders ( Takano et al, 2012 ) and healthy people ( Tang et al, 2023 ). For example, Harvey's cognitive model of insomnia postulates that excessive worry about sleep and the consequences of poor quality sleep causes spontaneous arousal, emotional distress, and excessive monitoring of thoughts that threaten sleep quality in women (eg, insufficient sleep indicators or poor daytime functioning), which ultimately lead to actual sleep loss.…”