Social Experiences and Sleep Study

  • STATUS
    Recruiting
  • End date
    Jun 25, 2023
  • participants needed
    160
  • sponsor
    University of California, San Francisco
Updated on 25 January 2021

Summary

This study will test the effect of race-based social rejection on polysomnography derived sleep outcomes and nocturnal cardiovascular psychophysiology in a sample of 80 African Americans and 80 Caucasian Americans. The investigators will test group differences on these outcomes as well as within subjects by testing impact of rejection compared to a non-rejection control night in the sleep laboratory.

Description

African Americans (AA) are disproportionally burdened by cardiovascular disease compared to Caucasian Americans (CA). Poor sleep, which is more common among AA, may serve as an important pathway in understanding these disparities. Race-based rejection has been cross-sectionally related to poor sleep and negative cardiovascular outcomes. To test the links between social experiences and sleep, participants will spend two nights in the sleep laboratory. One night will be a control night where participants complete low arousal tasks prior to bedtime. On a second night, the investigators will randomize 80 AA and 80 CA to either race-based social rejection (i.e., being rejected by an out-group member) or same-race social rejection prior to bedtime to test the causal influences of race-based rejection on objective sleep parameters, measured using polysomnography, and nocturnal cardiovascular functioning. The investigators will test group differences on these outcomes as well as within subjects by testing impact of rejection compared to a non-rejection control night in the sleep laboratory. The order of the control and rejection task night will be counterbalanced.

Details
Condition Blood Pressure, Blood pressure, Psychological stress, Sleep, Discrimination, Racial, Discrimination, Racial
Treatment Social rejection, Social rejection
Clinical Study IdentifierNCT03937973
SponsorUniversity of California, San Francisco
Last Modified on25 January 2021

Eligibility

Yes No Not Sure

Inclusion Criteria

Is your age between 18 yrs and 62 yrs?
Gender: Male or Female
Do you have any of these conditions: Sleep or Discrimination, Racial or Blood Pressure or Psychological stress or Blood pressure?
Do you have any of these conditions: Blood Pressure or Psychological stress or Sleep or Blood pressure or Discrimination, Racial?
Age: 18 to 62 years old
Self-identified as African American/Black or Caucasian American/White
English speaking, able to provide consent
Self-reported bedtime between 10PM and 12AM for 5/7 nights for the past 3 months (stability to be confirmed by sleep diary and wrist actigraphy)
Self-reported sleep duration between 6.5 and 8.5 hours for 5/7 nights for the last month (duration to be confirmed by actigraphy and sleep diary)

Exclusion Criteria

Body mass index of 40 or above
Participants at high risk for obstructive sleep apnea, based on "high risk" score from the STOP-Bang
Medical or psychiatric condition, as assessed by self-report and clinical interview that affect sleep and/or cardiovascular functioning, including doctor diagnosed arrhythmia, hypertension, congestive heart failure, major depression, bipolar disorder, post-traumatic stress disorder
Medication use that is likely to affect sleep and/or cardiovascular functioning, including antidepressants, anxiolytic or soporific medication, and beta-blockers
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