Melatonin Use and Polysomnographic Sleep Architecture in Children

Area of Science:

• Pediatric Sleep Medicine
• Sleep Science
• Neuroscience

Background:

• Melatonin is a common sleep aid for children, yet its effects on objective sleep architecture are not well-established.
• Understanding melatonin's impact on sleep architecture is crucial for optimizing pediatric sleep management.

Purpose of the Study:

• To investigate the association between outpatient melatonin use and polysomnography (PSG)-measured sleep architecture in children.
• To determine if melatonin prescription influences specific sleep parameters like REM sleep percentage.

Main Methods:

• A cross-sectional, propensity score-matched study utilizing the Nationwide Children's Hospital Sleep DataBank.
• Included children with adequate PSG recordings and electronic health record data, excluding those over 18 years.
• Compared 342 melatonin users with 342 matched non-users on 15 PSG-derived sleep parameters, including REM sleep percentage.

Main Results:

• Melatonin users showed a statistically significant, albeit small, reduction in REM sleep percentage compared to non-users (16.7% vs 19.0%).
• No significant differences were observed in total sleep time, non-REM sleep stages, respiratory indices, arousal index, or periodic limb movements.
• The association between melatonin use and reduced REM sleep persisted after adjusting for common psychiatric diagnoses.

Conclusions:

• Outpatient melatonin use in children is associated with a minor decrease in REM sleep percentage.
• Melatonin did not appear to affect other key sleep architecture components or respiratory parameters.
• Further prospective studies are necessary to confirm causality and explore the influence of dosage and adherence.