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Published on: May 3, 2017
Behavioral Interventions for Infant Sleep Problems: A Randomized Controlled Trial
Michael Gradisar1, Kate Jackson2, Nicola J Spurrier3
1School of Psychology, and grad0011@flinders.edu.au.
Insights
Graduated extinction and bedtime fading significantly improve infant sleep without negative impacts on infant stress, parent-child attachment, or child behavior. These behavioral interventions offer safe sleep solutions for families.
Area of Science:
- Pediatrics
- Developmental Psychology
- Sleep Medicine
Background:
- Infant sleep problems are common and can impact child development and family well-being.
- Behavioral interventions are often used to address infant sleep issues.
- The long-term effects of these interventions on infant stress and parent-child relationships require further investigation.
Purpose of the Study:
- To assess the efficacy of graduated extinction and bedtime fading on infant sleep patterns.
- To evaluate the impact of these interventions on infant and parent stress levels.
- To examine the long-term effects on child emotional/behavioral problems and parent-child attachment.
Main Methods:
- Randomized controlled trial with 43 infants (6-16 months) assigned to graduated extinction, bedtime fading, or sleep education control.
- Sleep assessed via parent-reported sleep diaries and infant actigraphy.
- Infant stress measured by salivary cortisol; maternal stress and mood via self-report; attachment via the Strange Situation Procedure at 12-month follow-up.
Main Results:
- Both graduated extinction and bedtime fading significantly reduced sleep latency, number of awakenings, and wake after sleep onset compared to controls.
- Small-to-moderate declines in infant salivary cortisol and maternal stress were observed in the intervention groups.
- No significant differences in child emotional/behavioral problems or parent-child attachment security were found at 12 months.
Conclusions:
- Graduated extinction and bedtime fading are effective behavioral interventions for improving infant sleep.
- These methods do not appear to induce adverse stress responses or negatively impact long-term parent-child attachment or child development.
- Behavioral sleep interventions offer significant sleep benefits with no discernible long-term detriments.
Objectives:
To evaluate the effects of behavioral interventions on the sleep/wakefulness of infants, parent and infant stress, and later child emotional/behavioral problems, and parent-child attachment.
Methods:
A total of 43 infants (6-16 months, 63% girls) were randomized to receive either graduated extinction (n = 14), bedtime fading (n = 15), or sleep education control (n = 14). Sleep measures included parent-reported sleep diaries and infant actigraphy. Infant stress was measured via morning and afternoon salivary cortisol sampling, and mothers' self-reported mood and stress. Twelve months after intervention, mothers completed assessments of children's emotional and behavioral problems, and mother-child dyads underwent the strange situation procedure to evaluate parent-child attachment.
Results:
Significant interactions were found for sleep latency (P < .05), number of awakenings (P < .0001), and wake after sleep onset (P = .01), with large decreases in sleep latency for graduated extinction and bedtime fading groups, and large decreases in number of awakenings and wake after sleep onset for the graduated extinction group. Salivary cortisol showed small-to-moderate declines in graduated extinction and bedtime fading groups compared with controls. Mothers' stress showed small-to-moderate decreases for the graduated extinction and bedtime fading conditions over the first month, yet no differences in mood were detected. At the 12-month follow-up, no significant differences were found in emotional and behavioral problems, and no significant differences in secure-insecure attachment styles between groups.
Conclusions:
Both graduated extinction and bedtime fading provide significant sleep benefits above control, yet convey no adverse stress responses or long-term effects on parent-child attachment or child emotions and behavior.
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