Internet Delivered Self-help for Insomnia

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT00851188

Enrollment

626

Registered

2009-02-25

Start date

2009-01-31

Completion date

2010-04-30

Last updated

2012-06-13

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

Conditions

Insomnia

Brief summary

The current study aims to evaluate the effects of internet-delivered self-help CBT for insomnia through a randomised controlled trial. Adult persons with insomnia will be invited via a popular scientific website to fill out online questionnaires. Participants will be randomised into treatment groups or the waiting list. Participants will be measured 4, 16, and 40 weeks after intervention with the same questionnaires.

Interventions

BEHAVIORALInternet CBT self-help

Internet based Cognitive behavioral self-help method for insomnia

BEHAVIORALCBT self-help booklet

Cognitive behavioral self-help method for insomnia via booklet

OTHERWaiting list

Waiting list

Study design

Allocation

RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Yes

Inclusion criteria

* Insomnia * Access to the internet

Exclusion criteria

* Alcohol or substance abuse * Severe depression * Being suicidal * Sleep apnea * Schizophrenic or having a psychosis disorder

Design outcomes

Primary

Measure	Time frame	Description
Sleep Diary	1 year	Daily self-observation used to calculate Total Sleep Time, Wake After Sleep Onset, Sleep Onset Latency, Sleep Efficiency, and Day ratings.

Secondary

Measure	Time frame	Description
Anxiety rating	1 year	Measured with the HADS
Depression ratings	1 year	Measured with the CES-D
Sleep medication	1 year	Measured in the daily diary log

Countries

Netherlands

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026