Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Sleep-Wake Cycles01:24

Sleep-Wake Cycles

1.4K
Sleep is an essential physiological process vital to maintaining overall well-being. The reticular activating system (RAS), a network of neurons in the brainstem, regulates wakefulness and sleep. While it may seem passive, sleep consists of distinct cycles, each with its unique characteristics and functions. Two key sleep phases are non-rapid eye movement (NREM) and  rapid eye movement (REM).
NREM Sleep
NREM sleep comprises four progressive stages that seamlessly merge:
1.4K
Stages of Sleep01:22

Stages of Sleep

199
Sleep progresses through distinct stages, each characterized by specific brain wave patterns and physiological responses ranging from wakefulness to stages of non-rapid eye movement, known as non-REM, to rapid eye movement, referred to as REM. Understanding these stages helps in recognizing how sleep supports various bodily and cognitive functions.
Before sleep begins, in wakefulness, the brain exhibits primarily beta waves, which are high in frequency and low in amplitude, indicating alertness...
199
Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

147
Insufficient sleep refers to not getting the recommended amount of sleep for optimal functioning, even if it's just slightly less than needed. Sleep insufficiency may occur due to lifestyle choices, such as staying up late for social events or work, resulting in routinely getting less sleep than required. For example, consistently sleeping 6 hours when the body needs 7-9 hours can lead to cumulative effects on health and well-being.
Sleep deprivation is a more severe form of sleep loss...
147
Understanding Sleep01:11

Understanding Sleep

234
Sleep, an essential biological state, involves significant reductions in physical activity, sensory awareness, and interaction with the environment. This complex physiological process is primarily regulated by specific brain regions, notably the hypothalamus and pons, which govern the sleep-wake cycle or circadian rhythm.
The circadian rhythm, a nearly 24-hour cycle, is deeply influenced by environmental light cues. Light exposure directly affects the hypothalamus, which in turn regulates...
234
Nightmares and Night Terrors01:18

Nightmares and Night Terrors

94
Nightmares and night terrors represent two distinct types of sleep disturbances that differ in timing, characteristics, and the sleeper's recall of the event. Nightmares are vivid, disturbing dreams that usually awaken the sleeper from REM sleep, a stage of sleep where brain activity is high, and dreams are most frequent. Upon awakening, individuals often have detailed recollections of their nightmares, which can include themes of threats to survival, security, or self-esteem.
Nightmares...
94
Sleepwalking and Sleep Talking01:17

Sleepwalking and Sleep Talking

169
Somnambulism, commonly known as sleepwalking, involves individuals engaging in activities ranging from simple walking to more complex behaviors such as driving. Sleepwalking typically occurs during the slow-wave sleep stages 3 and 4 early in the night when the person is not dreaming, contradicting the myth that sleepwalkers are acting out their dreams.
Factors that increase the likelihood of sleepwalking include sleep deprivation and alcohol consumption. Contrary to common beliefs, it is safe...
169

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

A deep dive into oxygen sensing.

Science (New York, N.Y.)·2025
Ver todos los artículos relacionados

Video Experimental Relacionado

Updated: Jul 11, 2025

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling
03:46

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling

Published on: October 11, 2018

10.1K

Lecciones del sueño profundo

Jessica Kendall-Bar1

  • 1Center for Marine Biotechnology and Biomedicine, Scripps Institution of Oceanography, University of California, San Diego, San Diego, CA, USA.

Science (New York, N.Y.)
|November 16, 2023
PubMed
Resumen

Los patrones de sueño de las focas en el mar muestran una notable flexibilidad en la duración. Este estudio revela cómo los mamíferos marinos adaptan sus períodos de descanso a las condiciones ambientales.

Área de la Ciencia:

  • Biología marina
  • Ciencias del sueño
  • Comportamiento animal

Sus antecedentes:

  • Comprender el sueño en los mamíferos marinos es crucial para la conservación.
  • Las investigaciones previas sobre el sueño en pinniped han sido limitadas, especialmente en el mar.

Objetivo del estudio:

  • Investigar la flexibilidad de la duración del sueño de las focas en su entorno marino natural.
  • Identificar los factores que influyen en los patrones de sueño de las focas que viven en libertad.

Principales métodos:

  • Utilizando avanzados dispositivos de grabación para monitorear el sueño de las focas en el mar.
  • Analizando datos extensos del sueño para cuantificar la duración y la variabilidad.

Principales resultados:

Más Videos Relacionados

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood
08:20

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Published on: October 2, 2019

12.0K
Automated Measurements of Sleep and Locomotor Activity in Mexican Cavefish
05:10

Automated Measurements of Sleep and Locomotor Activity in Mexican Cavefish

Published on: March 21, 2019

6.9K

Videos de Experimentos Relacionados

Last Updated: Jul 11, 2025

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling
03:46

Chronic Sleep Deprivation in Mouse Pups by Means of Gentle Handling

Published on: October 11, 2018

10.1K
Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood
08:20

Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood

Published on: October 2, 2019

12.0K
Automated Measurements of Sleep and Locomotor Activity in Mexican Cavefish
05:10

Automated Measurements of Sleep and Locomotor Activity in Mexican Cavefish

Published on: March 21, 2019

6.9K
  • La duración del sueño de la foca exhibió una flexibilidad significativa, adaptándose a las condiciones oceánicas.
  • Los datos revelaron variaciones sin precedentes en los períodos diarios de sueño de las focas individuales.

Conclusiones:

  • Las focas marinas demuestran una adaptabilidad excepcional en su duración del sueño.
  • Los hallazgos desafían las suposiciones anteriores sobre las necesidades fijas de sueño en los animales marinos.