Foundations of Nursing - Sleep

Foundations of Nursing

Topic 9: Chapter 43 - Sleep

Scientific Knowledge Base

Physiology of Sleep

  • Understanding sleep is crucial for maintaining health and well-being.
  • Sleep is a complex physiological process that involves regulation of multiple systems in the body.

Circadian Rhythm

  • Definition: The circadian rhythm is the body's internal clock, which cycles every 24 hours, influencing sleep-wake cycles and bodily functions.
  • It contributes to the regulation of hormonal release, temperature, and other biological processes.

Sleep Regulation

  • Sleep is regulated by several brain mechanisms, including neurotransmitters and hormonal influences.
  • Sleep drive increases over time spent awake, influencing the need for sleep.

Stages of Sleep

  • Sleep is divided into two main categories: Non-Rapid Eye Movement (NREM) and Rapid Eye Movement (REM).
Non-Rapid Eye Movement (NREM) Sleep
  • Consists of three stages:
    • N1 (Stage 1): Light sleep, transition between waking and sleeping.
    • N2 (Stage 2): Deeper sleep, heart rate slows, body temperature drops, accounts for 50% of total sleep.
    • N3 (Stage 3): Deep sleep, critical for recovery and growth, promotes physical rejuvenation.
Rapid Eye Movement (REM) Sleep
  • Occurs after NREM sleep cycles, characterized by rapid eye movements.
  • Most vivid dreams occur during this stage.
  • Important for emotional regulation and cognitive functions.

Sleep Cycle

  • A complete sleep cycle lasts approximately 90 minutes, with an adult experiencing 4-6 cycles per night.
  • Each cycle includes NREM and REM stages.

Functions of Sleep

  • Essential for overall health, facilitating:
    • Physical restoration.
    • Cognitive function and memory consolidation.
    • Regulation of metabolic processes.

Dreams

  • Dreams occur during REM sleep and can be a reflection of daily experiences or subconscious thoughts.
  • They may serve as emotional processing.

Physical Illness Related to Sleep

  • Conditions affecting sleep include:
    • Injury: Impacts comfort and ability to fall asleep.
    • Respiratory Disease: Can lead to sleep disturbances - e.g., sleep apnea.
    • Nocturia: Frequent nighttime urination disrupts sleep.
    • Restless Legs Syndrome: An uncontrollable urge to move legs, often causing sleep disruption.

Sleep Disorders

  • Common sleep disorders include:
    • Insomnia: Difficulty falling or staying asleep.
    • Sleep Apnea: Breathing interruptions during sleep, leading to excessive daytime sleepiness.
    • Excessive Daytime Sleepiness: Persistent sleepiness despite getting adequate or more sleep.
    • Narcolepsy: A condition characterized by uncontrollable sleep attacks during the daytime.
    • Sleep Deprivation: Lack of sleep leading to cognitive and physical difficulties.
    • Parasomnias: Abnormal behaviors during sleep, such as sleepwalking or night terrors.

Nursing Knowledge Base

Sleep and Rest

  • Normal sleep requirements and patterns vary by age:
    • Neonates: 16 hours per day.
    • Infants: 15 hours total, including naps.
    • Toddlers: 12 hours total with a nap.
    • Preschoolers: 12 hours per night.
    • School-age children: Varies; typically 9-12 hours.
    • Adolescents: 8-10 hours recommended.
    • Young adults: 6-8.5 hours per night.
    • Middle adults: 7-9 hours per night.
    • Older adults: Sleep requirements vary; sleeping difficulties often increase with age.

Factors Influencing Sleep

  • Factors affecting sleep include:
    • Drugs and Substances: Caffeine, nicotine, and medications may affect sleep patterns.
    • Lifestyle: Changes in routine can disrupt sleep.
    • Usual Sleep Patterns: Personal habits and rituals contribute to sleep quality.
    • Emotional Stress: Anxiety and stress can affect how well a person sleeps.
    • Environment: Noise, light, and temperature can interfere with sleep.
    • Exercise and Fatigue: Physical activity can promote better sleep when performed at the right time.
    • Food and Caloric Intake: Heavy meals before bedtime can disrupt sleep.

Critical Thinking

Integration of Knowledge

  • Integrate knowledge from nursing and other disciplines, such as psychology and physiology, to understand issues affecting sleep.
  • Apply personal experiences related to sleep issues in clinical practice.
  • Utilize critical thinking attitudes, fostering an inquisitive and analytical approach toward problem-solving.
  • Apply professional standards acknowledged within nursing practice.

Nursing Process

Assessment

  • Through the Client’s Eyes: Involves understanding the patient’s perspective toward sleep.
    • Sleep Assessment: Collecting data on patient sleep habits and issues.
    • Sources for Sleep Assessment: Includes interviews, sleep diaries, questionnaires.
    • Tools for Sleep Assessment: Utilize standardized tools such as:
    • Epworth Sleepiness Scale: Measures daytime sleepiness.
    • Pittsburgh Sleep Quality Index: Assesses sleep quality and disturbances.

Evaluation

Cultural Variations in Sleep Patterns
  • Recognize different cultural approaches to sleep improvement at home.
  • Assess how physical illnesses or disabilities impact usual and current sleep patterns, as well as patient responses to sleep disturbances.

Clinical Decision Making

  • Generate Solutions: Formulate interventions based on assessment data.
  • Analyze Cues: Review assessments to identify signs of sleep disturbances.
  • Prioritize Hypotheses: Assess which problems should be addressed first based on severity and impact on patient sleep.

Environment

  • Create a conducive sleep environment:
    • Maintain a quiet, dark, and temperature-controlled setting.
    • Minimize interruptions that could affect patient rest and sleep.

Attitudes

  • Display perseverance in exploring long-term sleep problems and finding solutions.
  • Utilize creativity in assessment to gain a comprehensive understanding of the patient’s sleep issues.
  • Discover patients' thoughts on potential causes of their sleep challenges.

Implementation

Standards of Practice

  • Refer to the ANA Standards and Scope of Nursing Practice and relevant Clinical Practice Guidelines.
  • Address measurements with intellectual standards focusing on clarity, accuracy, and completeness when gathering sleep history.

Health Promotion

Environmental Controls

  • Encourage patients to implement bedtime routines and safety measures that promote comfort.
  • Suggest stress reduction techniques and proper nutritional practices related to sleep.

Pharmacological Approaches

  • Consider pharmacological interventions if non-pharmacological strategies are insufficient for managing sleep disturbances.

Restorative/Continuing Care

  • Emphasize maintaining activity levels and controlling physiological disturbances to enhance sleep quality.

Evaluation

Through the Patient's Eyes

  • Assess outcomes related to the success and effectiveness of interventions aimed at improving sleep.
Characteristics of Desirable Sleep Patterns
  • Identify behaviors indicating adequate sleep quality, emphasizing the importance of addressing any discrepancies.

References

  • Potter, P., Perry, A., Stockert, P., & Hall, A. (2023). Fundamentals of Nursing (11th ed.). Elsevier.

Questions?

  • For queries regarding the content discussed, please contact your assigned course instructor. Thank you!