Graduated Extinction (Ferber)
The parent gradually increases the time between visits to the child at sleep onset. Visits are brief and minimal – the purpose is to show the parent is there, not to actively soothe the child to sleep. The method is known internationally as Ferber or Graduated Extinction.
How the method works
The parent places the child in bed awake and leaves the room. If the child cries, the parent waits a short while before going in and briefly acknowledging their presence, for example with a calm "you're okay, goodnight", without picking up, rocking or staying. Picking up or actively soothing can prolong the process, as the child then continues to expect comfort in response to crying. The visits are mainly for the parent's reassurance, not to soothe the child to sleep. Time intervals are gradually increased, for example: day 1 about 3, 5 then 10 minutes; day 2 about 5, 10 then 12 minutes; day 3 about 10, 12 then 15 minutes. Exact intervals matter less than the principle of gradually increasing the time between visits.
What the research says
Ferber is one of the most studied sleep interventions.¹ Several RCT studies (including Gradisar et al., 2016²) show that the method can reduce time to fall asleep and number of wakings. Studies have not found measurable negative effects on attachment or cortisol levels at follow-up.³
Potential benefits
- Scientific support from several controlled studies
- Can produce results within 3 to 7 days
- The parent remains present and responds to the child
- Can reduce sleep problems and improve parents' mental health
Challenges
- –Involves a period of crying that can be stressful for parents
- –Requires consistency to work
- –Does not suit all families or all children
- –Temporary increase in crying may occur initially ("extinction burst")
Sources
- Ferber, R. (2006). Solve Your Child's Sleep Problems (revised edition). Fireside.
- Gradisar, M., et al. (2016). Behavioral interventions for infant sleep problems: A randomized controlled trial. Pediatrics, 137(6), e20151486.
- Price, A. M., et al. (2012). Five-year follow-up of harms and benefits of behavioral infant sleep intervention: Randomized trial. Pediatrics, 130(4), 643–651.