Efficacy of timed bright light exposure and physical activity in the treatment of Delayed Sleep Phase Disorder

Recruiting

• Conditions: difficulties falling asleep; sleep onset insomnia; 10040998

• Registration Number: NL-OMON38512
• Lead Sponsor: Slotervaartziekenhuis

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Last Update Posted: 29 April 2024

Recruitment & Eligibility

• Status: Recruiting
• Sex: Not specified
• Target Recruitment: 45

Inclusion Criteria

Diagnosed with DSPD
Caucasian descent
Age between 18 and 55 years;
Body Mass Index between 18 and 30 kg/m2
Able to perform moderate intensity cycle exercises (assessed by PAR-Q)
Is able to read and understand Patient Information

Exclusion Criteria

Presence of other sleep disturbances
Use of sleep medication
Use of melatonin / melatonin agonists
Use of anti-depressants
Use of anti-psychotic medication
Shift work or transmeridian flights within 1 month prior to the study
Substance abuse
Use of medication inducing retinal photosensitivity
Retinopathy or other eye pathologies

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>the main endpoints are outcomes related to sleep quality and phase of the<br /><br>circadian rhythms of melatonin and body temperature. These outcomes will be<br /><br>compared intra-individually to pre-treatment values and at group level between<br /><br>intervention groups.</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>secundary study parameters are outcomes related to mood and attention.</p><br>