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Study · Animal study (in vivo) · cat · 1985

4 results

Reduced sleep in cats after intraperitoneal injection of delta-sleep-inducing peptide (DSIP).

Sommerfelt L

Neuroscience letters1 Jul 1985Cited by 1 (Europe PMC)

PMID3840239 (opens in a new tab)DOI10.1016/0304-3940(85)90331-3 (opens in a new tab)PepBankPUB-03840239
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Summary

The text of this summary is not shown here, because the article license does not allow reuse. Read it at the source (opens in a new tab)

Text rights: Publisher copyright. Results still quote short attributed sentences.

Results from this study4

4 results from studies that gave the peptide. No result from this study comes from people.

  1. 01AnimalAnimal study (in vivo)Efficacy outcome

    In cats, intraperitoneal DSIP reduced the amount of sleep compared with saline.

    In plain wordsIn cats, DSIP injected into the abdomen reduced the amount of sleep compared with saline.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    DecreaseTotal sleep amount over 10 h
    Study

    catn: not reported in source

    Comparator
    Saline
    Outcome group
    Sleep · Sleep
    Studied dose
    30 nmol/kg · intraperitonealAs given in this study (cat).

    Source sentences

    Summary
    DSIP reduced the amount of sleep
    1 context sentence
    Summary · context
    The effect of intraperitoneally injected delta-sleep-inducing peptide (DSIP) on sleep-wakefulness in cats was studied using EEG, EMG and EOG recording for 10 h following 30 nmol/kg DSIP or control saline i.p. injections.
  2. 02AnimalAnimal study (in vivo)Efficacy outcome

    In cats, intraperitoneal DSIP reduced light slow-wave sleep compared with saline.

    In plain wordsIn cats, DSIP injected into the abdomen reduced light slow-wave sleep compared with saline.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    DecreaseLight slow-wave sleep
    Study

    catn: not reported in source

    Comparator
    Saline
    Outcome group
    Sleep · Sleep
    Studied dose
    30 nmol/kg · intraperitonealAs given in this study (cat).

    Source sentences

    Summary
    DSIP reduced the amount of sleep, specifically light slow-wave sleep and REM sleep, and REM sleep latency was increased.
    1 context sentence
    Summary · context
    The effect of intraperitoneally injected delta-sleep-inducing peptide (DSIP) on sleep-wakefulness in cats was studied using EEG, EMG and EOG recording for 10 h following 30 nmol/kg DSIP or control saline i.p. injections.
  3. 03AnimalAnimal study (in vivo)Efficacy outcome

    In cats, intraperitoneal DSIP reduced REM sleep compared with saline.

    In plain wordsIn cats, DSIP injected into the abdomen reduced REM sleep compared with saline.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    DecreaseREM sleep
    Study

    catn: not reported in source

    Comparator
    Saline
    Outcome group
    Sleep · Sleep
    Studied dose
    30 nmol/kg · intraperitonealAs given in this study (cat).

    Source sentences

    Summary
    DSIP reduced the amount of sleep, specifically light slow-wave sleep and REM sleep, and REM sleep latency was increased.
    1 context sentence
    Summary · context
    The effect of intraperitoneally injected delta-sleep-inducing peptide (DSIP) on sleep-wakefulness in cats was studied using EEG, EMG and EOG recording for 10 h following 30 nmol/kg DSIP or control saline i.p. injections.
  4. 04AnimalAnimal study (in vivo)Efficacy outcome

    In cats, intraperitoneal DSIP increased REM sleep latency compared with saline.

    In plain wordsIn cats, DSIP injected into the abdomen delayed the start of REM sleep compared with saline.

    Peptide
    Delta sleep-inducing peptide (DSIP)
    Outcome
    IncreaseREM sleep latency
    Study

    catn: not reported in source

    Comparator
    Saline
    Outcome group
    Sleep · Sleep
    Studied dose
    30 nmol/kg · intraperitonealAs given in this study (cat).

    Source sentences

    Summary
    and REM sleep latency was increased.
    1 context sentence
    Summary · context
    The effect of intraperitoneally injected delta-sleep-inducing peptide (DSIP) on sleep-wakefulness in cats was studied using EEG, EMG and EOG recording for 10 h following 30 nmol/kg DSIP or control saline i.p. injections.

AI wrote and checked these results. AI can make mistakes, so check important results against the source.

Version history

PepBank keeps every version of the data on this study. Status changes from Retraction Watch, Europe PMC and Crossref are listed with their source.

  1. Version 2Current

    10 Oct 2026, 09:43 UTC

    Study results updated

  2. Version 1

    9 Oct 2026, 03:04 UTC

    First added · source update from Europe PMC

Subjects

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