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Clinical Trial Details — Status: Enrolling by invitation

Administrative data

NCT number NCT03657901
Other study ID # Sleepstress
Secondary ID
Status Enrolling by invitation
Phase N/A
First received
Last updated
Start date June 1, 2018
Est. completion date December 31, 2018

Study information

Verified date September 2018
Source Helsinki University
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

To investigate the efficiency and effect of a programmed slow-breathing exercise in the evening to the heart rate variability, sleep quality and memory performance over night.


Description:

Background Stress and increased alertness in the evening are major reasons for sleep onset problems, poor sleep and insomnia symptoms. For instance, increased amount of REM, and decreased amount of slow wave sleep may result. Also, the function of sleep in memory consolidation may suffer. They also affect the sleep structure and continuity during the night. They are highly prevalent phenomena among the entire population, including healthy adults and children. However, at the physiological level, the concept of evening alertness is still understudied and often neglected.

Recent advances show that breathing exercise is an efficient tool to reduce stress. However, its use specifically prior to sleep onset and with measurement sleep stages and their microstructures with sleep EEG has been little been studied before. The overall objective of this study is to explore interrelations of stress, learning and sleep quality.


Recruitment information / eligibility

Status Enrolling by invitation
Enrollment 20
Est. completion date December 31, 2018
Est. primary completion date October 30, 2018
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 20 Years to 45 Years
Eligibility Inclusion Criteria:

- age 20-45

Exclusion Criteria:

- chronic disease requiring daily medication, acute sickness (e.g. a flu), jet lag from a recent travel, current diagnosed sleep disorder (such as snoring or insomnia) and any use of medication affecting autonomic nervous system function or sleep.

Study Design


Related Conditions & MeSH terms


Intervention

Behavioral:
Music listening
Guided music listening for 30 minutes before sleep onset
Slow breathing
Guided slow breathing for 30 minutes before sleep onset

Locations

Country Name City State
Finland University of Helsinki Helsinki

Sponsors (1)

Lead Sponsor Collaborator
Helsinki University

Country where clinical trial is conducted

Finland, 

Outcome

Type Measure Description Time frame Safety issue
Primary Sleep structure Percent distribution of different sleep stages Change from night 1 to night 2
Secondary Sleep spindle duration Duration of sleep spindles in seconds Change from night 1 to night 2
Secondary Sleep spindle power Amplitude of sleep spindles in microvolts Change from night 1 to night 2
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