The Impact of Cognitive Behavioral Therapy for Insomnia (CBT-I) on Glycemic Control in Older Type 2 Diabetes (T2D) Comorbid With Insomnia

Exclusion Criteria8

• Cognitive impairment (HK-MoCA score of ≤22);
• Depression (GDS-15 score >8) and other psychiatric disorders e.g. generalized anxiety disorder, restless leg syndrome, schizophrenia to be elucidated by history from research nurse and questionnaires;
• Benign prostatic hypertrophy by history and/or elevated PSA and any other chronic medical condition that is likely to affect sleep e.g. chronic pain;
• Concurrent use of hypnotic drugs, psychotic medications and any drugs that are known to affect sleep;
• Cerebrovascular accidents, vascular dementia, or any condition that are known to affect cognitive function;
• Shift workers;
• Haemoglobinopathies, renal failure, need of regular blood transfusion or any other conditions which will affect the validity of HbA1c in measurement of glycemia;
• Any condition, as judged by the investigators, as ineligible to participate in this study.