Clinical Trial: The Efficacy of a Program to Address Bedtime Procrastination Based on Temporal Motivation Theory: A Three-Group Randomized Controlled Trial Among College Students (Japan)

Tokyo, July 1 -- UMIN Clinical Trials Registry (UMIN-CTR) received information related to the study (UMIN000062101) titled 'The Efficacy of a Program to Address Bedtime Procrastination Based on Temporal Motivation Theory: A Three-Group Randomized Controlled Trial Among College Students' on June 30.

Study Type: Interventional

Study Design: Basic Design - Parallel Randomization - Randomized Blinding - Single blind -participants are blinded Control - Active

Primary Sponsor: Institute - Tohoku University

Condition: Condition - Bedtime Procrastination in College Students Classification by malignancy - Others Genomic information - NO

Objective: Narrative objectives1 - This study aims to examine whether a program to address bedtime procrastination based on temporal motivation theory in college students leads to a reduction of bedtime procrastination. Basic objectives2 - Efficacy

Intervention: Interventions/Control_1 - Name: Sleep Education, Daily exercises, and Sleep Diary to Reduce Bedtime Procrastination Using LINE Bot Description: On Day 1, participants set goals and develop plans to reduce bedtime procrastination (pre-study exercises) . During the two-week intervention period, participants will receive a message on LINE at 7:00 a.m. to develop a plan for reducing bedtime procrastination that day (daily exercises) and record their bedtime and wake-up time from the previous night (sleep diary). At 5:00 p.m., they will receive a message on LINE to develop a plan for reducing bedtime procrastination that day (daily exercises) and record their planned bedtime for that day (sleep diary). Interventions/Control_2 - Name: Sleep Education and Daily Sleep Diary to Reduce Bedtime Procrastination Using LINE Bot Description: The program will be conducted excluding the daily exercises from Intervention 1.

Eligibility: Age-lower limit - 18 years-old <= Age-upper limit - Not applicable Gender - Male and Female Key inclusion criteria - Your actual sleep duration on weekdays is at least one hour shorter than the ideal amount of sleep you truly need. You may sometimes regret staying up late or feel the need to change this habit. The term "staying up late" as used here refers to situations where, due to reasons you can control - such as leisure activities - you end up going to bed later than planned even though you originally intended to go to bed earlier. This does not include situations where your bedtime is delayed due to reasons beyond your control, such as part-time jobs or commitments to others. Undergraduate and graduate students aged 18 or older residing in the Sendai metropolitan area Native Japanese speakers Individuals who own a smartphone and use the mobile messaging app "LINE" (for program participation) Key exclusion criteria - Currently working night shifts starting at midnight or later Having been diagnosed with a mental illness or sleep disorder, and never having received outpatient treatment or other medical care for mental health or sleep issues Currently participating in another study across multiple days at the time of participation in this study Enrolled in the Clinical Psychology Course in the Faculty of Education or the Graduate School of Education at the time of the study Having participated in the preliminary survey conducted in the 2025 academic year Target Size - 100

Recruitment Status: Recruitment status - Preinitiation Date of protocol fixation - 2026 Year 06 Month 30 Day Date of IRB - 2026 Year 04 Month 29 Day Anticipated trial start date - 2026 Year 07 Month 03 Day Last follow-up date - 2026 Year 09 Month 30 Day

To know more, visit https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000070899

Disclaimer: Curated by HT Syndication.