Evaluating a portable device to advance the internal body clock to treat insomnia
- Conditions
- Chronic Insomnia DisorderSleep Onset InsomniaMental Health - Other mental health disordersNeurological - Other neurological disorders
- Registration Number
- ACTRN12619000950167
- Lead Sponsor
- Flinders University
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- ot yet recruiting
- Sex
- All
- Target Recruitment
- 24
Symptoms that meet the criteria for a diagnosis of insomnia, according to the ICSD-3. Specifically;
1. Sleep diary data which indicates difficulties initiating sleep (>30-minute latency to sleep) at least three times in the one-week screening assessment period.
2. Sleep and daytime functioning questionnaire scores which indicate insomnia:
oInsomnia Severity Index >10
a)Taking any medication that would affect sleep/melatonin production
b)Had recent eye surgery or a chronic eye condition,
c)Difficulties with the English language that would prevent informed consent,
d)Receiving other forms of sleep treatment,
e)Diagnosis of sleep disorder other than insomnia,
f)Were habitual high consumers of caffeine (greater than or equal to 250 mg daily) and/or alcohol (greater than or equal to 14 standard drinks per week),
g)Indicated a history of substance abuse in the last 12 months,
h)Worked a night shift in the previous 2 months (night shift was defined as a work schedule including at least 6 h of work between 10:00 p.m. And 8:00 a.m.),
i)Undertook trans-meridian travel (two time zones) in the last 2 months,
j)Pregnant or lactating, or
k)Clinically diagnosed depression.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Phase advance of the circadian rhythm as measured by Dim Light Melatonin Onset via saliva samples[Days 2 and 8 of treatment week];Sleep onset latency as measured by sleep diaries and Actigraphy[Mean days 1-7 pre-treatment, mean days 1-7 post-treatment (primary endpoint), and mean days 1-7 follow-up (follow-up begins one week after treatment week ends)]
- Secondary Outcome Measures
Name Time Method ight-time sleepiness as measured the Stanford Sleepiness Scale[Days 2 and 8 of treatment week];Insomnia symptoms as measured by the Insomnia Severity Scale[Mean days 1-7 pre-treatment, mean days 1-7 post-treatment, and mean days 1-7 follow-up]