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Childhood sleep disorders: diagnostic and therapeutic approaches
1Department of Neurology, Children's National Medical Center, 111 Michigan Avenue NW, Washington, DC 20010-2970, USA. ppearl@cnmc.org
Insights
Pediatric sleep develops from the sleep/wake cycle and circadian rhythms. Sleep disorders in children are age-related, ranging from common behavioral issues to serious conditions like sleep apnea and narcolepsy.
Area of Science:
- Pediatric sleep medicine
- Neuroscience of sleep
- Developmental biology
Background:
- Pediatric sleep physiology involves the development of sleep/wake cycles and circadian rhythms, typically established by 3-6 months.
- Sleep disorders in children are age-dependent, with infancy presenting common issues like sleep-onset association disorder and more severe conditions such as SIDS and sleep apnea.
- Childhood is characterized by efficient sleep, while adolescence presents challenges in adapting sleep needs to lifestyle and school schedules, with conditions like narcolepsy often emerging.
Purpose of the Study:
- To provide an age-related overview of pediatric sleep physiology and disorders.
- To highlight the spectrum of sleep issues from infancy through adolescence.
- To discuss the implications of sleep disorders, such as narcolepsy, on understanding neurotransmitter systems and potential therapies.
Main Methods:
- Review of pediatric sleep physiology literature.
- Categorization of sleep disorders based on age groups (infancy, childhood, adolescence).
- Discussion of the impact of sleep disorders on development and potential research avenues.
Main Results:
- The sleep/wake cycle and circadian rhythm are foundational to pediatric sleep.
- Infantile sleep disorders range from behavioral to life-threatening, requiring tailored management.
- Adolescent sleep patterns face challenges adapting to societal demands, with narcolepsy offering insights into neurobiology.
Conclusions:
- A comprehensive, age-specific approach is crucial for managing pediatric sleep disorders.
- Understanding the neurobiology of sleep, exemplified by narcolepsy research, promises therapeutic advancements.
- Early identification and management of sleep issues are vital for long-term child health and development.
Abstract:
Pediatric sleep physiology begins with development of the sleep/wake cycle, and the origins of active versus quiet sleep. The 24-hour circadian cycle becomes established at 3 to 6 months. Sleep disorders are rationally approached in pediatrics as age-related. Disorders during infancy commonly include mild, usually self-limited conditions such as sleep-onset association disorder, excessive nighttime feedings, and poor limit-setting. These require behavioral management to avoid long-term deleterious sleep habits. In contrast, other sleep disorders are more ominous, including sudden infant death syndrome (SIDS), central congenital hypoventilation syndrome, and sleep apnea. Childhood is generally the golden age of sleep, with brief latency, high efficiency, and easy awakening. Parasomnias, sometimes stage specific, are manifest here. Adolescents have sleep requirements similar to preteens, posing a challenge for them to adapt to school schedules and lifestyles. Narcolepsy, usually diagnosed in adolescence or early adulthood, is a lifelong sleep disorder that has led to the identification of the hypocretin/orexin neurotransmitter system. This will lead to enhanced understanding of what regulates stage rapid eye movement, and to novel therapeutic advances for hypersomnolence.