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Infant Sleep Issues May Predict Teen Mental Health Disorders

Emerging research from the UK suggests that specific sleep problems among babies and very young children can be linked to mental disorders in adolescence. Experts say the study findings support existing evidence that insomnia can contribute to psychosis and borderline personality disorders.

For the study, investigators at the University of Birmingham’s School of Psychology studied questionnaire data from the Children of the 90s longitudinal study. This UK study recruited pregnant mothers of 14,000 babies when it was set up almost three decades ago.

Researchers found that young children who routinely woke up frequently during the night and experienced irregular sleep routines were associated with psychotic experiences as adolescents.

They also found that children who slept for shorter periods at night and went to bed later, were more likely to be associated with borderline personality disorder (BPD) during their teenage years.

Lead researcher, Dr Isabel Morales-Muñoz, explained, “We know from previous research that persistent nightmares in children have been associated with both psychosis and borderline personality disorder.

But nightmares do not tell the whole story — we’ve found that, in fact, a number of behavioral sleep problems in childhood can point towards these problems in adolescence.”

The researchers examined questionnaire data from more than 7,000 participants reporting on psychotic symptoms in adolescence, and more than 6,000 reporting on BPD symptoms in adolescence.

The Children of the 90s study (also known as the Avon Longitudinal Study of Parents and Children (ALSPAC) birth cohort) was set up by the University of Bristol. Sleep behavior among participants was reported by parents when the children were 6, 18 and 30 months, and assessed again at 3.5, 4.8 and 5.8 years old.

The results, which appear in JAMA Psychiatry, show particular associations between infants at 18 months old who tended to wake more frequently at night and who had less regular sleep routines from 6 months old, with psychotic experiences in adolescence.

This supports existing evidence that insomnia contributes to psychosis, but suggests that these difficulties may be present years before psychotic experiences occur.

The team also found that children who had less sleep during the night and went to bed later at the age of three-and-a-half years were related to BPD symptoms. These results suggest a specific pathway from toddlers through to adolescents with BPD, which is separate from the pathway linked with psychosis.

Finally, the researchers investigated whether the links between infant sleep and mental disorders in teenagers could be facilitated by symptoms of depression in children aged 10 years old.

They found that depression enabled the links between childhood sleep problems and the onset of psychosis in adolescents, but this mediation was not observed in BPD, suggesting the existence of a direct association between sleep problems and BPD symptoms.

Professor Steven Marwaha, senior author on the study, added: “We know that adolescence is a key developmental period to study the onset of many mental disorders, including psychosis or BPD. This is because of particular brain and hormonal changes which occur at this stage.

It’s crucial to identify risk factors that might increase the vulnerability of adolescents to the development of these disorders, identify those at high risk and deliver effective interventions. This study helps us understand this process and what the targets might be.

“Sleep may be one of the most important underlying factors — and it’s one that we can influence with effective, early interventions, so it’s important that we understand these links.”

Source: University of Birmingham

Infant Sleep Issues May Predict Teen Mental Health Disorders

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2020). Infant Sleep Issues May Predict Teen Mental Health Disorders. Psych Central. Retrieved on August 6, 2020, from https://psychcentral.com/news/2020/07/06/infant-sleep-issues-may-predict-teen-mental-health-disorders/157838.html
Scientifically Reviewed
Last updated: 5 Jul 2020 (Originally: 6 Jul 2020)
Last reviewed: By a member of our scientific advisory board on 5 Jul 2020
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