RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.

260 results for "sleep psychology" — page 3 of 13

T_5_04 Verified Psychology & Social

T_5_04 — Psychology of Religion and Spirituality

The psychology of religion investigates why humans believe in supernatural agents, how religious practices affect cognition and well-being, and what psychological functions religion serves. The field was inaugurated by W

psychology of religion spirituality belief God prayer ritual
T_5_07 Verified Psychology & Social

T_5_07 — Psychology of Sacred Space and Place

Sacred space — physical locations experienced as qualitatively distinct from ordinary space, charged with spiritual significance, numinous power, or transcendent meaning — is a universal feature of human culture. From Pa

sacred space psychology of place hierophany axis mundi temenos genius loci
T_5_02 Verified Psychology & Social

T_5_02 — Psychology of Music

Music psychology investigates how humans perceive, produce, respond emotionally to, and are transformed by music — drawing on cognitive psychology, auditory neuroscience, developmental psychology, and clinical applicatio

music psychology music cognition music emotion absolute pitch amusia auditory perception
T_5_15 Verified Psychology & Social

T_5_15 — Sport Psychology: Flow States, Peak Performance, and Mental Training

Sport psychology — the scientific study of psychological factors influencing athletic performance, exercise behavior, and physical activity — spans applied mental skills training (visualization, self-talk, goal setting,

sport psychology flow state peak performance mental training visualization choking under pressure
T_5_12 Credible Psychology & Social

T_5_12 — Media Psychology: Screen Effects, Social Media, and the Psychology of Digital Life

Media psychology — the study of how media (television, film, video games, social media, smartphones) affect cognition, emotion, behavior, and well-being — has become one of the most publicly debated areas of psychology,

media psychology social media screen time attention dopamine addiction
T_5_05 Credible Psychology & Social

T_5_05 — Parapsychology and Anomalous Cognition

Parapsychology is the scientific study of claimed anomalous psychological phenomena — particularly extrasensory perception (ESP) (telepathy, clairvoyance, precognition) and psychokinesis (PK) (mental influence on physica

parapsychology ESP extrasensory perception telepathy precognition psychokinesis
T_5_08 Credible Psychology & Social

T_5_08 — The Psychology of Awe and Wonder: Vastness, Self-Diminishment, and Transformative Experience

Awe — the emotion arising from encounters with vast, powerful, or complex phenomena that exceed one's current mental frameworks and demand cognitive accommodation (schema revision) — has emerged since the early 2000s as

awe wonder vastness self-diminishment small self Keltner
T_5_06 Verified Psychology & Social

T_5_06 — Digital Psychology and Screen Time

Digital psychology examines how digital technologies — smartphones, social media, video games, internet use — affect cognition, emotion, social behavior, and mental health. The field has become intensely debated since th

digital psychology screen time social media internet addiction smartphone cyberbullying
T_5_01 Verified Psychology & Social

T_5_01 — Sports Psychology and Performance

Sports psychology investigates the psychological factors that influence athletic performance, exercise behavior, and physical activity — applying principles from cognitive, social, and clinical psychology to optimize hum

sports psychology peak performance mental toughness visualization imagery self-efficacy
Y_4_17 Verified Altered States

Y_4_17 — Sleep Disorders & Parasomnias

Sleep disorders affect an estimated 50–70 million Americans and up to 45% of the global population, encompassing over 80 distinct conditions classified by the International Classification of Sleep Disorders (ICSD-3, 2014

sleep disorders parasomnias narcolepsy sleepwalking REM behavior disorder sleep terrors
Y_4_16 Verified Altered States

Y_4_16 — Hypnagogia: The Threshold State Between Waking and Sleep

Hypnagogia is the transitional state of consciousness experienced during the onset of sleep (waking-to-sleep), characterized by vivid spontaneous imagery, auditory hallucinations, distorted body perception, and loosened

hypnagogia hypnagogic hypnopompic sleep onset threshold consciousness tetris effect
Y_2_09 Verified Altered States

Y_2_09 — Sleep Paralysis, Hypnagogia, and Liminal States

Sleep paralysis — a temporary inability to move or speak while falling asleep or waking — is one of the most universal and culturally interpreted altered states, experienced by an estimated 7.6% of the general population

sleep paralysis hypnagogia hypnopompia hypnagogic hallucination old hag kanashibari
ZE_1_10 Verified Ethics & Applied Philosophy

ZE_1_10 — Moral Psychology and Development

Moral psychology investigates how humans actually make moral judgments, develop moral capacities, and experience moral emotions — bridging empirical research and philosophical ethics. Developmental approaches: Jean Piage

moral psychology moral development Kohlberg Piaget Gilligan moral reasoning
R_4_13 Verified Biology & Evolution

R_4_13 — Evolution of Sleep: Why Organisms Rest

Sleep — a reversible state of reduced awareness, diminished responsiveness, and characteristic neural activity — is found across virtually all animals with a nervous system, from C. elegans (which exhibits a quiescent st

sleep evolution of sleep REM sleep NREM sleep slow-wave sleep sleep function
I_5_14 Credible UAP Disclosure

I_5_14 — Witness Psychology: Perception, Memory, and UAP Testimony

The evaluation of UAP evidence depends critically on the psychology of perception, memory, and testimony — because a large proportion of UAP evidence consists of human reports. Understanding how observers perceive, encod

witness perception memory testimony psychology cognitive
K_4_08 Credible Consciousness

K_4_08 — Parapsychology — Experimental Research on Psi Phenomena

Parapsychology is the scientific study of purported psychic phenomena — telepathy, clairvoyance, precognition, and psychokinesis (collectively termed "psi") — using experimental methods. Originating with J.B. Rhine's car

parapsychology psi ESP extrasensory perception Rhine Ganzfeld
B_2_09 Verified Beings & Entities

B_2_09 — Shadow People, Sleep Paralysis Entities, and Dark Figures

Shadow people, dark figures, and night-visiting entities represent one of the most consistently reported anomalous experiences across human cultures. The phenomenon centers on sleep paralysis — a state where the body rem

shadow people sleep paralysis Hatman Old Hag night terrors mare
Y_4_08 Verified Altered States

Y_4_08 — Sleep Science — REM, NREM, and the Ancient Understanding of Sleep

Sleep science has undergone a revolution in the 21st century, fundamentally altering our understanding of why humans sleep. The landmark 2012 discovery of the glymphatic system by Maiken Nedergaard revealed that the brai

sleep REM NREM glymphatic system slow-wave sleep dreams
C_1_20 Credible Global Traditions

C_1_20 — The Shadow Archetype in World Mythology

The Shadow archetype, articulated by Carl Gustav Jung as a fundamental component of the psyche, manifests across world mythologies as the dark double, the rejected brother, or the monstrous other that heroes must confron

shadow-archetype jungian-psychology dark-double mythological-antagonist set-osiris caliban
K_3_02 Credible Consciousness

K_3_02 — Embodied Cognition

Embodied cognition is a broad research program challenging the classical cognitive science view that the mind is essentially a computer processing abstract symbols in the brain. Instead, embodied cognition holds that thi

embodied cognition 4E cognition embedded enacted extended embodied