Relations Between Sleep and Temperament in Preschool Children With ADHD. 2020

Maria Grazia Melegari, and Stefania Sette, and Elena Vittori, and Luca Mallia, and Alessandra Devoto, and Fabio Lucidi, and Raffaele Ferri, and Oliviero Bruni
Sapienza University, Rome, Italy.

Objective: The objective of this study was to assess the links between temperament and sleep in a group of preschoolers with ADHD. Method: Twenty-five ADHD (M = 5.37 years, SD = 1.09) and 22 typically developing (TD; M = 5.10, SD = 1.18) preschoolers participated in the study. Sleep was assessed with the Sleep Disturbance Scale and wrist actigraphy. The Preschool Temperament and Character Inventory (PsTCI) was used to evaluate the child temperament. Results: ADHD children showed a temperamental profile characterized by higher novelty seeking, lower persistence, self-directness, and cooperativeness and marginally lower harm avoidance (HA) compared with controls. HA was associated negatively to wakefulness after sleep onset and sleep fragmentation and positively with sleep efficiency and sleep time. Reward dependence was negatively associated with wake episode length. Conclusion: Sleep and temperament are correlated in preschoolers with ADHD and temperament might represent an intermediate endophenotype underlying the relation between ADHD and sleep disorders.

UI MeSH Term Description Entries
D010554 Personality Disorders A major deviation from normal patterns of behavior. Avoidant Personality Disorder,Impulse-Ridden Personality,Inadequate Personality,Avoidant Personality Disorders,Impulse Ridden Personality,Personality Disorder,Personality Disorder, Avoidant,Personality Disorders, Avoidant,Personality, Impulse-Ridden,Personality, Inadequate
D010555 Personality Inventory Check list, usually to be filled out by a person about himself, consisting of many statements about personal characteristics which the subject checks. Edwards Personal Preference Schedule,Myers-Briggs Type Indicator,Indicator, Myers-Briggs Type,Inventories, Personality,Inventory, Personality,Myers Briggs Type Indicator,Personality Inventories
D002605 Character In current usage, approximately equivalent to personality. The sum of the relatively fixed personality traits and habitual modes of response of an individual. Characters
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001289 Attention Deficit Disorder with Hyperactivity A behavior disorder originating in childhood in which the essential features are signs of developmentally inappropriate inattention, impulsivity, and hyperactivity. Although most individuals have symptoms of both inattention and hyperactivity-impulsivity, one or the other pattern may be predominant. The disorder is more frequent in males than females. Onset is in childhood. Symptoms often attenuate during late adolescence although a minority experience the full complement of symptoms into mid-adulthood. (From DSM-V) ADHD,Attention Deficit Disorder,Attention Deficit Hyperactivity Disorder,Brain Dysfunction, Minimal,Hyperkinetic Syndrome,Minimal Brain Dysfunction,ADDH,Attention Deficit Disorders with Hyperactivity,Attention Deficit Hyperactivity Disorders,Attention Deficit-Hyperactivity Disorder,Attention Deficit Disorders,Attention Deficit-Hyperactivity Disorders,Deficit Disorder, Attention,Deficit Disorders, Attention,Deficit-Hyperactivity Disorder, Attention,Deficit-Hyperactivity Disorders, Attention,Disorder, Attention Deficit,Disorder, Attention Deficit-Hyperactivity,Disorders, Attention Deficit,Disorders, Attention Deficit-Hyperactivity,Dysfunction, Minimal Brain,Syndromes, Hyperkinetic
D012890 Sleep A readily reversible suspension of sensorimotor interaction with the environment, usually associated with recumbency and immobility. Sleep Habits,Sleeping Habit,Sleeping Habits,Habit, Sleep,Habit, Sleeping,Habits, Sleep,Habits, Sleeping,Sleep Habit
D013694 Temperament Predisposition to react to one's environment in a certain way; usually refers to mood changes. Temperaments

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