NYU Langone Health
The purpose of this pilot study is to examine the implementation of a combined intervention targeting food cravings and sleep for adults with obesity in clinical settings. The primary aim is implementation feasibility (i.e., recruitment rate, retention rate, adherence, acceptability ratings).
Inclusion Criteria: 1. Age 18-55 years 2. Body Mass Index (BMI) ≥30 kg/m² 3. At least sub threshold insomnia symptoms, defined as Insomnia Severity Index (ISI) score ≥8 4. Fluent in English (reading and speaking) to complete app-based interventions and validated surveys. This small pilot study lacks funding for Spanish-speaking study staff, who would be required for screening, consent, weekly check-ins throughout the intervention, and the qualitative interviews and transcript translation; in addition, the Sleep Coach app (Insomnia Coach) is available only in English, so participants in arms 2…
The Food Craving app uses inhibitory control training via a Go/No-Go cognitive task. Participants are presented with images of food items and trained to inhibit motor responses (press/no-press) to images of unhealthy, high-craving foods while responding to healthy food images.
The Sleep Coach app is a self-guided CBT-based intervention providing: (1) daily sleep hygiene education and tasks; (2) relaxation training exercises; and (3) individualized time-in-bed recommendations based on participant-reported sleep diary data. The app guides users through established CBT-I components (sleep restriction, stimulus control, cognitive restructuring).
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