Circadian Rhythm Sleep-Wake Disorders in Older Adults

Circadian rhythm sleep-wake disorders are characterized by a mismatch between desired sleep timing and actual sleep ability.

• The interaction of the body's internal clock and sleep regulation processes determines sleep timing and quality.
• Optimal functioning of this system supports alertness during the day and consolidated sleep at night.
• Aging is associated with changes in circadian regulation of sleep.
• Age influences the prevalence and diagnosis of circadian rhythm sleep-wake disorders.
• Neurologic diseases in older patients may disrupt circadian rhythms and impact sleep.

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