Metabolomics of Insomnia-Related Hyperarousal

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

32 participants

Study Classification

OBSERVATIONAL

Study Start Date

2013-10-31

Study Completion Date

2015-10-31

Brief Summary

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Individuals with insomnia have been shown to have higher overall metabolic rates compared to good sleepers, but it is not known which metabolic processes are involved. The goal of this study is to compare a wide array of metabolic processes in 15 people with insomnia and 15 good sleepers. We hypothesize that there will be distinct metabolic processes that are functioning differently in those with insomnia.

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Detailed Description

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Conditions

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Primary Insomnia

Study Design

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Observational Model Type

CASE_CONTROL

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Individuals with insomnia

No interventions assigned to this group

Good sleepers

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

Criteria for primary insomnia:

* subjective complaint of difficulty initiating or maintaining sleep, waking up too early or nonrestorative sleep
* daytime consequences as a result of the poor sleep
* duration of at least 1 month
* sleep disturbance is not secondary to a medical or psychiatric condition

Criteria for good sleepers:

-subjective report of consistent good sleep

Exclusion Criteria

* significant medical or psychiatric illness
* diagnosis of a sleep disorder other than insomnia
* women who have been pregnant or lactating in the past 6 months
* non-fluency in spoken or written English
* Current shift work defined as working during the evening or night shift
* Current use of medications that affect sleep
* BMI \>27

Minimum Eligible Age

25 Years

Maximum Eligible Age

55 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes