A Randomized Controlled Trial of a Psychological Intervention for Decreasing Bedtime Procrastination(BED PRO) Using a Wait-list Control Group in nonclinical populations

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

CRIS

Registry ID

KCT0007337

Enrollment

Registered

2022-05-27

Start date

2019-03-27

Completion date

Unknown

Last updated

2022-05-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Others(psychological treatment) : The BED PRO intervention is a short-term psychological intervention consisting of a total of four sessions. Participants had three weekly face-to-face sessions and on

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Sixty participants free of insomnia or psychopathology who endorsed that they frequently engage in bedtime procrastination were selected to participate in the study. Individuals who scored 33 or higher on the bedtime procrastination scale (BPS) were included in the study, based on previous studies using this cut-off score (Chung et al., 2020). Participants were recruited from March 2019 to July 2020 using advertisements through online community postings and offline fliers. A total of 134 volunteers were screened for the study, and 74 potential participants were selected based on inclusion criteria. Next, telephone screening interviews were conducted to ensure that participants met inclusion criteria. A total of 60 participants were randomly assigned to either the treatment group or the wait-list control group (32 participants in the treatment group, 28 participants in the wait-list control group).

Exclusion criteria

Exclusion criteria: Specific exclusion criteria were: (a) scores of 15 or higher on the Insomnia Severity Index (b) history of suicide attempts; (c) previous diagnosis of bipolar disorder, schizophrenia, and other sleep disorders; (c) currently taking sleep-related medication; and (d) being a shift worker.

Design outcomes

Primary

Measure	Time frame
The Bedtime Procrastination Scale (BPS);Bedtime procrastination duration based on the sleep diary(BPD);Sleep onset latency based on the sleep diary(SOL);Wake after sleep onset based on the sleep diary(WASO);Morning procrastination based on the sleep diary(TOB-WT);Total sleep time based on the sleep diary(TST);Time in bed based on the sleep diary(TIB);Sleep efficiency based on the sleep diary(SE);Sleep quality based on the sleep diary(SQ);Feeling refreshed upon awakening based on the sleep diary(FRESH);Bedtime based on the sleep diary(BT);Lights off based on the sleep diary(LO);Wake time based on the sleep diary(WT)	—

Measure

Time frame

The Bedtime Procrastination Scale (BPS);Bedtime procrastination duration based on the sleep diary(BPD);Sleep onset latency based on the sleep diary(SOL);Wake after sleep onset based on the sleep diary(WASO);Morning procrastination based on the sleep diary(TOB-WT);Total sleep time based on the sleep diary(TST);Time in bed based on the sleep diary(TIB);Sleep efficiency based on the sleep diary(SE);Sleep quality based on the sleep diary(SQ);Feeling refreshed upon awakening based on the sleep diary(FRESH);Bedtime based on the sleep diary(BT);Lights off based on the sleep diary(LO);Wake time based on the sleep diary(WT)

—

Secondary

Measure	Time frame
Morningness-Eveningness Questionnaire (MEQ);The Insomnia Severity Index (ISI);The Epworth Sleepiness Scale (ESS);Center for Epidemiologic Studies Depression Scale (CES-D);Functional Analysis of Bedtime Procrastination	—

Countries

Korea, Republic of

Contacts

Public ContactHuisu Jeon

Sungshin Women's University

huisujeon77@gmail.com+82-2-920-7473

Outcome results