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Related Concept Videos

Sleep-Wake Cycles01:24

Sleep-Wake Cycles

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:
Pharmacodynamics in Geriatric Patients: Effects of Age01:27

Pharmacodynamics in Geriatric Patients: Effects of Age

Age-related pharmacokinetic changes are extensively documented, but understanding age-related pharmacodynamic alterations is relatively limited. This knowledge gap can be partly attributed to the complexity of developing appropriate measures of drug responses compared to bioanalytical methods for determining drug concentrations.Most information regarding age-related differences in human pharmacodynamics originates from cross-sectional studies. However, these studies assume that observed mean...
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Elderly individuals encompass a diverse population with varying degrees of age-related physiological changes. Defining the elderly presents challenges, as the geriatric population is often arbitrarily categorized as individuals older than 65. However, many individuals in this group lead active and healthy lives, with an increasing number surpassing 85 years and falling into the older elderly category. Physiological changes associated with aging impact performance capacity and homeostatic...
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Related Experiment Video

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High-Throughput Small Molecule Drug Screening For Age-Related Sleep Disorders Using Drosophila melanogaster
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Sleep disorders in the elderly.

Susan K Roepke1, Sonia Ancoli-Israel

  • 1Joint Doctoral Program in Clinical Psychology, San Diego State University/University of California, San Diego, USA.

The Indian Journal of Medical Research
|March 24, 2010
PubMed
Summary

Sleep disturbances are common in older adults due to age-related changes and increased prevalence of sleep disorders. This review covers age-related sleep changes, common disorders, and factors affecting sleep quality in the elderly.

Area of Science:

  • Gerontology
  • Sleep Medicine
  • Neuroscience

Background:

  • Nearly 50% of older adults experience sleep initiation and maintenance difficulties.
  • Aging is associated with physiological, environmental, and lifestyle changes that increase sleep disturbance risk.
  • Older adults have a higher prevalence of primary sleep disorders.

Purpose of the Study:

  • To review age-related changes in sleep architecture.
  • To discuss the etiology, presentation, and treatment of prevalent sleep disorders in the elderly.
  • To explore factors influencing sleep quality and quantity in aging populations.

Main Methods:

  • Literature review of age-related sleep changes.
  • Analysis of prevalent sleep disorders in older adults.

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  • Discussion of factors affecting sleep in the elderly.

    • Main Results:

    • Sleep architecture undergoes age-related modifications.
    • Common sleep disorders in the elderly include sleep-disordered breathing, restless legs syndrome, and insomnia.
    • Medical conditions, medications, and circadian rhythm changes contribute to sleep disturbances.

    Conclusions:

    • Sleep disturbances are multifactorial in older adults.
    • Understanding age-specific sleep changes is crucial for effective management.
    • Addressing prevalent sleep disorders and contributing factors can improve sleep quality in the elderly.