Research from Australia 1 , Portugal 2 , England 3 and America 4,5 has found that 50% -88% of university students have poor sleep quality. Poor sleep quality is associated with a higher risk of poor health consequences, including diabetes, obesity, heart disease and injuries, as well as psychological symptoms, including psychological distress, somatic complaints, depression and anxiety. 2,6-8 Academic performance is also disrupted, including lower grades, lower academic satisfaction and more academic difficulties 2,4,9 More work is needed, therefore, to understand modifiable factors associated with poor sleep quality.Dysfunctional beliefs about sleep are negatively toned cognitions that are excessive and maladaptive, and may focus on not meeting sleep expectations, preoccupation with daytime impairment and worry and helplessness about sleep, and the core belief that sleep