Behavioral Intervention that Extends Sleep Duration Leads to Greater Self-Control in School-Aged Children

Area of Science:

• Pediatric Sleep Medicine
• Developmental Psychology
• Behavioral Science

Background:

• Short sleep duration and evening chronotypes are linked to reduced self-control in children.
• Limited research has explored sleep extension's efficacy in improving children's self-control.
• This study investigates sleep extension's impact on self-control as a secondary analysis of a behavioral sleep intervention.

Purpose of the Study:

• To determine if a behavioral sleep intervention enhancing children's sleep duration also improves their self-control.
• To explore potential differences in intervention effects based on children's chronotype.

Main Methods:

• Sixty-seven children (8-11 years) with short sleep duration (<9.5 hours) were randomized to a sleep intervention or control group.
• The intervention aimed to increase sleep by 1-1.5 hours per night over 8 weeks.
• Self-control was measured using the caregiver-reported Self-Control Rating Scale (SCRS), and total sleep time (TST) by actigraphy.

Main Results:

• Children in the sleep intervention group showed significant increases in TST and improved SCRS scores, indicating enhanced self-control.
• The control group did not show significant changes in TST or SCRS scores.
• Baseline evening chronotype and shorter TST were associated with lower caregiver-reported self-control.

Conclusions:

• A brief behavioral sleep intervention effectively increased total sleep time and improved caregiver-reported self-control in school-aged children.
• These findings underscore the critical role of adequate sleep in the development and maintenance of self-control.
• Sleep health is a vital component of overall child well-being.