EMDR_Nap_Study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00037785

Enrollment

120

Registered

2025-08-28

Start date

2025-09-20

Completion date

Unknown

Last updated

2025-10-06

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

Conditions

F43.1

Interventions

Group 1: EMDR+ rest interval/ nap = (30 min preparation, including attaching electrodes for polysomnography + 90 min afternoon nap) Group 2: EMDR+ rest interval/wake = (120 min of wakefulness with und

Eligibility

Sex/Gender

All

Age

18 Years to 60 Years

Inclusion criteria

Inclusion criteria: Diagnosis of PTSD F43.1 Willingness to undergo trauma treatment with EMDR

Exclusion criteria

Exclusion criteria: - intake of medication that affects sleep (e.g., hypnotics, antidepressants, anxiolytics, beta blockers, benzodiazepines, stimulants) - Low intelligence (IQ <80) - Systemic, neurological, or brain disorders - Insufficient communication skills in German - Shift work or intercontinental flights in the last 30 days

Design outcomes

Primary

Measure	Time frame
Self-rating of PTSD symptoms in PTSD patients (Posttraumatic Stress Disorder Checklist for DSM-5, PCL-5), 14 measurement points PCL-5: S1-S12: before each therapy session, T1: 4 weeks after end of therapy, T2: 6 months after end of therapy	—

Secondary

Measure	Time frame
PTSD symptoms and diagnosis Clinician-Administered PTSD Scale (CAPS) (external rating of PTSD), T0 (baseline, diagnosis before therapy), T1 (4 weeks after end of therapy), T2 (6 months after end of therapy) Subjective sleep quality (Pittsburgh Sleep Quality Index, PSQI) (measurement points: T0, S1-S12, T1, T2) Depression, anxiety, dissociation (PHQ-9, GAD-7, FDS), measurement times T0, T1, T2 Event-related potentials (oddball paradigm, P3), measurement times T0, T1, T2 Objective sleep quality (sleep latency, sleep duration, awakenings after falling asleep, sleep efficiency, deep sleep duration and proportion) in polysomnography measurement, measurement times: S1-S12 Heart rate, heart rate variability during oddball paradigm, measurement times T0, T1, T2 Dream experience (self-report in sleep log after afternoon nap and nighttime sleep), measurement times T0, T1, T2, S1-S12 Characteristics of traumatic memory (questionnaire on index trauma), measurement times T0, T1, T2, S1-S12	—

Measure

Time frame

PTSD symptoms and diagnosis Clinician-Administered PTSD Scale (CAPS) (external rating of PTSD), T0 (baseline, diagnosis before therapy), T1 (4 weeks after end of therapy), T2 (6 months after end of therapy) Subjective sleep quality (Pittsburgh Sleep Quality Index, PSQI) (measurement points: T0, S1-S12, T1, T2) Depression, anxiety, dissociation (PHQ-9, GAD-7, FDS), measurement times T0, T1, T2 Event-related potentials (oddball paradigm, P3), measurement times T0, T1, T2 Objective sleep quality (sleep latency, sleep duration, awakenings after falling asleep, sleep efficiency, deep sleep duration and proportion) in polysomnography measurement, measurement times: S1-S12 Heart rate, heart rate variability during oddball paradigm, measurement times T0, T1, T2 Dream experience (self-report in sleep log after afternoon nap and nighttime sleep), measurement times T0, T1, T2, S1-S12 Characteristics of traumatic memory (questionnaire on index trauma), measurement times T0, T1, T2, S1-S12

—

Countries

Germany

Contacts

Public ContactInes Wilhelm-Groch

ZIP/ UKSH Lübeck, Universität zu Lübeck

ines.wilhelm-groch@uksh.de+49 451 500 98892

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026