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Sleep DeprivationNCT03767426

The Effect of Sleep Deprivation and Recovery Sleep on Emotional Memory and Affective Reactivity

A study testing Sleep Deprivation and Daytime nap in people with Sleep Deprivation and Sleep, run by Beth Israel Deaconess Medical Center at 1 site in United States.

Active, not recruiting

Under way, not looking for participants. Everyone needed has enrolled. The study is still running.

Official record
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Trial summary

To further understand the impact of acute sleep deprivation and recovery sleep on the processing of emotional information the investigators will address and attempt to answer three questions, (i) how both undisturbed sleep and sleep deprivation affect the processing and retrieval of emotional information, (ii) what… Read more about this study

Who is it for?
Ages 18 to 35 yearsHealthy volunteers can take part
Conditions the study is for
Sleep Deprivation, Sleep
What is being tested?
Sleep Deprivation and Daytime nap
Could I receive a placebo?
No, everyone receives an active treatment
How many people
100 participants
Where
1 siteUnited States
Study dates
1 Mar 2019to 31 Dec 2027
Phase
Interventional
Are there results?
Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 35 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • willing and able to follow the protocol
  • willing and able to meet inclusion criteria for fMRI scanning
  • willing to refrain from alcohol and recreational drugs for the duration of the protocol
  • normal or corrected to normal vision is required

Who cannot join

  • self-reported sleep disturbances
  • left-handedness or ambidexterity
  • a history of mental illness or neurological disorder
  • the use of any drugs that could affect either sleep or cognitive functioning (e.g., sleeping pills or antidepressants)

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Tony Cunningham

    Boston, Massachusetts, 02215

Other trials in United States

About this study

To further understand the impact of acute sleep deprivation and recovery sleep on the processing of emotional information the investigators will address and attempt to answer three questions, (i) how both undisturbed sleep and sleep deprivation affect the processing and retrieval of emotional information, (ii) what neural and psychophysiological mechanisms are associated with these behavioral effects, and (iii) to explore the ability of recovery sleep to reverse the effects of sleep deprivation. Together, these studies will provide a greater breadth and depth of knowledge concerning sleep's role in emotion processing and regulation. Given the growing societal tendency to view sleep as unproductive-foregoing it to lengthen work days and increase social opportunities- such knowledge would be of practical importance for understanding the role of sleep in healthy emotional functioning, particular for individuals experiencing periods of increased stress and emotional distress (e.g., new parents, hospital staff, or combat troops).

Read the detailed description

Goal 1: How does sleep deprivation impact emotion perception and memory processing? The investigators are interested in how an acute loss of sleep impairs our ability to properly perceive, consolidate, and retrieve emotional information. There has been research on the effect of sleep deprivation on broad areas of cognition, such as attention, working memory, and reasoning ability, but the impact of sleep loss on emotional processing and regulation remains largely unexplored. The investigators aim to characterize how sleep deprivation compared to undisturbed sleep affects the ability to accurately perceive emotion, how it alters the intensity with which emotions are perceived, and the effect that these changes have on the subsequent consolidation and memory retrieval for emotional compared to neutral information.

Goal 2: How are these changes reflected in the neural signal and with psychophysiological measures? The investigators will utilize functional magnetic resonance imaging (fMRI) and measures of autonomic reactivity (heart rate and skin conductance) to characterize the neural and psychophysiological mechanisms underlying these behavioral changes following sleep deprivation compared to a normal night of sleep. This will allow us to pinpoint the brain regions involved in changes following sleep deprivation, and associate these changes with effects on downstream physiological responses.

Goal 3: Can a nap after sleep deprivation restore normal processing of emotional memory and rescue the neural and autonomic markers of sleep deprivation? The investigators are interested in determining if a brief period of recovery sleep is enough to combat the behavioral, neural, and autonomic effects of acute sleep loss, thus a portion of the sleep-deprived participants will be given a 2-hour nap opportunity to quantify its restorative effects. Such information would form the foundation for future research extending and translating these findings into effective sleep-based interventions for healthy and clinical populations alike.

Being tested
Sleep Deprivation, Daytime nap
Keywords
Emotion, Memory, Sleep, Sleep Deprivation
Medical subject headings
Sleep Deprivation

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Sleep DeprivationBehavioural

    Subjects are sleep deprived for an entire night

  • Daytime napBehavioural

    After a night of sleep deprivation, participants will be given a 2 hour nap opportunity

Study groups in NCT03767426
Study groupRoleWhat they receive
Overnight sleepNo interventionSubjects are permitted a night of polysomnograph-recorded sleep before participating in training and testing sessions the next day
Sleep deprivationActive comparatorSubjects sleep deprived before participating in training and testing sessions the next day
Receives: Behavioral: Sleep Deprivation
Daytime NapExperimentalSubjects are trained and then retested after a daytime nap
Receives: Behavioral: Sleep Deprivation; Behavioral: Daytime nap

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Morphed Face Accuracy and Intensity

    Participants are asked to identify and rate emotional intensity of ambiguous emotional faces (happy, sad, angry) that have been morphed with neutral faces. Scores for each emotional domain will be calculated as (i) accuracy score (number of faces correctly identified over total faces seen), and (ii) average emotional intensity rating. Task will be completed at baseline, post-sleep/sleep deprivation, and post-nap/no nap, and within-subject comparisons will determine how interventions impact emotional perception.

    Measured: 1-24 hours

  2. Emotional Memory Tradeoff Memory Score

    Following sleep or sleep deprivation, participants will complete emotional memory tradeoff recognition task at two time points, separated by a nap or wakefulness. Corrected hit rate will be calculated for negative and neutral scene components as the percentage of correctly identified "old" objects/backgrounds minus percentage of false alarms ("new" pictures marked as "old")

    Measured: 12-24 hours

  3. Psychomotor vigilance task lapse rate

    The absolute number of trials in a 5-min test period on which the participant fails to responds with 500ms is calculated as the lapse rate.

    Measured: 1-24 hours

Secondary outcomes (3)
  1. fMRI measured neural reactivity (blood oxygen-level dependent signal)

    Following sleep or sleep deprivation, regions of interest include amygdala reactivity and connectivity between the amygdala and the ventromedial prefrontal cortex (vmPFC) in response to negative and neutral stimuli.

    Measured: 12-24 hours

  2. Heart Rate Reactivity (Beats per minute)

    The change in heart rate beats per minute in response to negative and neutral stimuli after sleep or sleep deprivation.

    Measured: 12-24 hours

  3. Skin Conductance Reactivity (micro Siemens)

    The change in electrodermal activity in response to negative and neutral stimuli after sleep or sleep deprivation.

    Measured: 12-24 hours

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted6 Dec 2018
  2. Study start1 Mar 2019
  3. Primary completion31 Dec 2025
  4. Study completion31 Dec 2027 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Basic science
Allocation
Randomised
Intervention model
Parallel groups
Model description
Independent group comparison
Masking
None (open label)
Enrolment
100 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03767426
Sponsor's protocol ID
TC-1
Status last verified
Oct 2026
First submitted
5 Dec 2018
Last updated
6 Oct 2026
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No

Questions about this trial

What is this clinical trial studying?

A study testing Sleep Deprivation and Daytime nap in people with Sleep Deprivation and Sleep, run by Beth Israel Deaconess Medical Center at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: under way, not looking for participants, as of the sponsor's last update on 6 Oct 2026. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Morphed Face Accuracy and Intensity (time frame: 1-24 hours). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Oct 2026.

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