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289 results for "REM sleep" — page 1 of 15
K_2_19 — Sleep & Dream Neuroscience — Topology of States
Sleep occupies approximately one-third of human life (~26 years for an average lifespan of 79 years) and constitutes a radically altered state of consciousness whose neurobiological mechanisms, evolutionary function, and
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
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
X_2_06 — Sleep Medicine and Chronobiology
Sleep medicine — the diagnosis and treatment of sleep disorders — and chronobiology — the study of biological rhythms — are relatively young scientific fields that address a phenomenon that occupies roughly one-third of
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
Y_4_18 — Sleep Disorders and Parasomnias: Pathologies of Consciousness in Sleep
Sleep disorders affect an estimated 50–70 million Americans and ~1 billion people globally, causing significant morbidity, mortality, and economic burden. The field was transformed by the discovery of distinct sleep stag
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
K_5_06 — Dreaming and Consciousness: Why We Dream
Dreaming — the experience of structured hallucinatory consciousness during sleep — is one of the most remarkable features of the human mind and a central challenge for any theory of consciousness. Every night, for a tota
T_3_04 — Sleep Psychology and Dreams
Sleep occupies approximately one-third of human life yet its functions remain among the most actively investigated questions in neuroscience and psychology.
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
X_5_16 — Telemedicine & Digital Health: Remote Care Revolution
Telemedicine — the delivery of healthcare services through telecommunications technology — has evolved from an experimental novelty (NASA's 1960s Space Technology Applied to Rural Papago Advanced Health Care project) int
ZF_4_06 — Ocean Remote Sensing and Satellite Oceanography
Satellite oceanography — the use of Earth-orbiting sensors to observe ocean properties from space — has transformed ocean science since the 1970s from a data-sparse field reliant on sparse ship transects to a globally co
ZF_1_11 — Rogue Waves, Freak Seas, and Extreme Ocean Events
Rogue waves (also called freak waves, abnormal waves, or episodic waves) are individual ocean surface waves that are at least twice the significant wave height (H_s — the average height of the highest one-third of waves
J_3_14 — Ancient Surveying and Alignment: Precision Measurement
The ability to measure, align, and orient structures with precision was fundamental to ancient engineering — and ancient civilizations achieved levels of accuracy that remain impressive by modern standards. The Great Pyr
ZB_4_02 — Extremophiles and Extreme Biology
Extremophiles are organisms that thrive in conditions lethal to most life — extreme heat, cold, acidity, radiation, pressure, salinity, or desiccation. Their discovery has fundamentally expanded understanding of life's b
ZB_3_16 — Lichen Biology: Symbiosis, Ecology, and Extremophile Survival
Lichens are stable symbiotic associations between a fungal partner (mycobiont, typically an ascomycete) and one or more photosynthetic partners (photobiont — green algae, usually Trebouxia, and/or cyanobacteria, usually
G_1_03 — Remote Sensing Satellite Archaeology and Geophysics
Remote sensing and geophysical survey — the use of satellite imagery, airborne sensors, and ground-based electromagnetic instruments to detect buried or hidden archaeological features without excavation — has become one
G_1_02 — Digital Archaeology: LiDAR, Remote Sensing, GIS, and AI in Discovery
Digital archaeology encompasses a suite of non-invasive and computational technologies that have revolutionised how sites are discovered, documented, and interpreted. Airborne LiDAR has revealed entire cities beneath tro
G_1_11 — Underwater Remote Sensing — Multibeam, Magnetometry, Sub-Bottom Profiling
Underwater remote sensing encompasses a suite of geophysical survey technologies — multibeam echosounder (MBES), side-scan sonar (SSS), magnetometry, and sub-bottom profiler (SBP) — that enable archaeologists, oceanograp
O_4_15 — Rogue Waves: Extreme Ocean Waves and the Physics of the Improbable
Rogue waves (also called freak waves, monster waves, or abnormal waves) — individual ocean waves that are exceptionally large relative to the surrounding sea state, typically defined as waves whose height exceeds 2.2 tim
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