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Related Concept Videos

Insufficient Sleep and Sleep Deprivation01:13

Insufficient Sleep and Sleep Deprivation

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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.
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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.
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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.
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Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
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Skeletal muscles continuously produce ATP to provide the energy that enables muscle contractions. Skeletal muscle fibers can be categorized into three types based on differences in their contraction speed and how they produce ATP, as well as physical differences related to these factors. Most human muscles contain all three muscle fiber types, albeit in varying proportions.
Slow-Twitch Muscle Fibers
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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.
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Polygraphic Recording Procedure for Measuring Sleep in Mice
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Fiber Puts Lactobacillus to SLEep.

Tyson R Chiaro1, June L Round1

  • 1University of Utah School of Medicine, Division of Microbiology & Immunology, Department of Pathology, Salt Lake City, UT 84121, USA.

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|January 11, 2019
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Dietary resistant starch can help manage lupus by limiting the gut bacterium Lactobacillus reuteri. This bacterium, when translocated to other organs, exacerbates lupus symptoms, but resistant starch diets control its growth and improve the condition.

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Area of Science:

  • Microbiome research
  • Immunology
  • Dietary interventions

Background:

  • Lupus is an autoimmune disease with limited understanding of microbiota influence.
  • Gut bacteria translocation is implicated in disease exacerbation.

Purpose of the Study:

  • To investigate the role of Lactobacillus reuteri in lupus pathogenesis.
  • To explore the impact of resistant starch diets on lupus and L. reuteri.

Main Methods:

  • Analysis of microbiota composition and translocation.
  • Dietary intervention with resistant starch in a lupus model.
  • Assessment of disease severity markers.

Main Results:

  • Translocation of Lactobacillus reuteri from the gut to systemic organs was found to worsen lupus.
  • Diets incorporating resistant starch effectively restricted L. reuteri growth.
  • Resistant starch intervention led to amelioration of lupus disease.

Conclusions:

  • Lactobacillus reuteri translocation is a pathogenic factor in lupus.
  • Dietary resistant starch represents a potential therapeutic strategy for lupus by modulating the gut microbiota.