Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Slow wave sleep dreaming.

C Cavallero1, P Cicogna, V Natale

  • 1Dipartimento di Psicologia, Università di Bologna, Italy.

Sleep
|December 1, 1992
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Agreement between early-phase amyloid-PET and pulsed arterial spin labeling in a memory clinic cohort.

Journal of molecular medicine (Berlin, Germany)·2025
Same author

Humoral and cellular responses after third dose of SARS-CoV-2 vaccine in myeloproliferative neoplasms patients on ruxolitinib therapy.

Leukemia research·2023
Same author

Vitamin D deficiency as a predictor of poor prognosis in patients with acute respiratory failure due to COVID-19.

Journal of endocrinological investigation·2020
Same author

Idiopathic sudden sensorineural hearing loss and ménière syndrome: The role of cerebral venous drainage.

Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery·2017
Same author

BAFF Index and CXCL13 levels in the cerebrospinal fluid associate respectively with intrathecal IgG synthesis and cortical atrophy in multiple sclerosis at clinical onset.

Journal of neuroinflammation·2017
Same author

Diagnostic accuracy and cost-effectiveness of different strategies to triage women with adnexal masses: a prospective study.

Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology·2016
Same journal

Nighttime light exposure is associated with metabolic dysfunction in schizophrenia: A cross-sectional analysis of the LENS study.

Sleep·2026
Same journal

Sleep Need Outcompetes Preparation: Reframing Sleep Initiation Through Naturalistic Behaviour.

Sleep·2026
Same journal

The Quest for Automated Pediatric Sleep Scoring: Are We There Yet?

Sleep·2026
Same journal

Sex Differences in the Sleep Architecture and Sleep-Disordered Breathing in C57BL/6 J Mice.

Sleep·2026
Same journal

Differential Effects of Prenatal Depression and Anxiety on Infant Sleep: Dual-Pathway Mechanisms Involving the HPA Axis and the Gut-Brain Axis.

Sleep·2026
Same journal

Metabolic Syndrome and Obstructive Sleep Apnea: Two Sides of the Same Coin.

Sleep·2026
See all related articles

Dreaming occurs during both slow wave sleep (SWS) and rapid eye movement (REM) sleep, with REM dreams being longer. Memory sources like semantic knowledge are common in REM dreams, supporting continuous dreaming.

Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Sleep Science

Background:

  • Dreaming is traditionally associated with Rapid Eye Movement (REM) sleep.
  • However, the continuity and nature of dreaming during other sleep stages remain areas of investigation.

Purpose of the Study:

  • To investigate the characteristics and memory sources of dreams occurring during Slow Wave Sleep (SWS) and REM sleep.
  • To test the hypothesis that dreaming is a continuous cognitive process across sleep stages.

Main Methods:

  • Fifty volunteers underwent polysomnographic monitoring during two nights in a sleep lab.
  • Participants were awakened from SWS and REM sleep to provide dream reports and identify memory sources.
  • Dream reports were analyzed for length, content, and structural dimensions by independent judges.

Related Experiment Videos

Main Results:

  • REM sleep dream reports were significantly longer than SWS dream reports.
  • Semantic knowledge was identified as a more frequent memory source for REM dreams compared to SWS dreams.
  • Minor differences in dream content between SWS and REM sleep were observed.

Conclusions:

  • Dreaming is a continuous process not exclusive to REM sleep.
  • Variations in dream characteristics across sleep stages reflect different levels of cognitive system engagement.
  • The findings challenge the notion of sleep-stage-specific dreaming and support a unified view of dream generation.