Effectiveness of Brief Behavioral Treatment for Insomnia (BBT-i) on sleep Quality in Elderly Patients at Dokkhamtai hospital

INTERVENTION: Brief Behavioral Treatment for Insomnia (BBT‐i) Group,Usual Care Group (Control) Experimental Behavioral,No Intervention Other Participants in this group will receive a brief behavioral intervention delivered by a trained multidisciplinary team consisting of one clinical psychologist and two registered nurses. The program structures as follows: ‐ Week 1 (Face‐to‐face session): An individual in‐person counseling session lasting 30 to 45 minutes at the outpatient department. The session covers sleep education, sleep hygiene, stimulus control, and sleep restriction planning. Participants are provided with a specialized daily sleep diary (Samut Lap Dee) and are trained on how to log their daily sleep parameters. ‐ Weeks 2 to 4 (Telephone follow‐ups): Weekly telephone calls lasting 10 to 15 minutes per session to review the participant's sleep diary, evaluate adherence, address individual barriers, and offer problem‐solving support. In week 2, a mindfulness and breathing exercise is additionally introduced to promote relaxation. ‐ Weeks 5 to 7 (Self‐monitoring): Participants continue to independently record their sleep patterns daily using the provided sleep diary without active telephone tracking. ‐ Week 8 (Final follow‐up): An in‐person hospital appointment to review the complete 8‐week sleep diary and complete final outcome assessments.,Participants in this group will receive the standard care and routine clinical services provided by the outpatient clinic of Dokkhamtai Hospital. The protocol structures as follows: ‐ Week 1 (Baseline): Participants receive a standard printed educational leaflet containing general guidelines on sleep hygiene and sleep education during their initial outpatient visit. No personalized behavioral modifications, sleep restrictions, or intensive counseling are provided. ‐ Weeks 2 to 7: Participants continue their routine daily lives and standard m CONDITION: Insomnia disorder in elderly patients ; Sleep; Sleep Quality; Aged; Behavior Therapy; Primary Health Care; Randomized Controlled Trial Sleep; Sleep Quality; Aged; Behavior Therapy; Primary Health Care; Randomized Controlled Trial PRIMARY OUTCOME: Sleep quality Baseline and week 8 Pittsburgh Sleep Quality Index Thai version total score SECONDARY OUTCOME: Depression Baseline and week 8 Nine‐Questions Depression‐Rating Scale (9Q),Quality of life Baseline and week 8 EQ‐5D‐5L thai version INCLUSION CRITERIA: 1. Elderly individuals aged sixty years or older. 2. Having sleep problems as assessed by a Pittsburgh Sleep Quality Inde X(PSQI) score of five or higher, or diagnosed with insomnia according to DSM‐5 criteria. 3. Not using sleep medication or sedative‐hypnotics within the past four weeks, or having a stable dosage of sleep medication for at least four weeks.