Telephone-Coached Sleep Bibliotherapy for Dementia Caregivers

Inclusion criteria: a) aged 18 years or older; b) provide unpaid care to a family member with dementia; c) living with the patient or actively involved in the patient's care daily for a minimum of 4 hours/day for at least 6 months; d) endorse one or more sleep problems; e) having the sleep problem with an average of 3 or more nights per week during the past month; d) taking no medication for sleep or stabilized on current medication for at least 6 weeks; e) could be contacted by phone. Exclusion criteria: a) report a prior diagnosis of primary sleep disorder (e.g., sleep apnoea); b) have a severe chronic illness that could cause their sleep problems (e.g., emphysema); c) receive medical, psychological, or psychiatric treatment for sleep disturbance or depression; d) have cognitive impairment; e) be included in another interventional study.