Topic
Research
What studies of graduated extinction actually found.
- Sleep training and stress hormones: reading the studies fairly What the two most cited cortisol studies of sleep training actually measured, what each found, and the limits of both, explained plainly for parents. Research · Safety and health
- Does sleep training have long-term effects? What the longest sleep training follow-up found at age 6, what shorter studies add, and what the research still cannot tell you. Research · For parents
- Graduated extinction vs extinction: what the research compares What studies say about graduated extinction (the Ferber method) versus extinction (cry it out): how well each works, and which parents find easier to follow. Research · Comparing methods
- Ferber vs the chair method, in detail How the Ferber method and the chair method differ night by night, what a head-to-head trial found, and how to pick the one your family can stick with. Comparing methods · The method · Research
- Ferber vs cry it out vs the chair method: which is right for your family How the Ferber method, cry it out and the chair method really differ, what each asks of you at 2 a.m., what the research says, and how to choose. Comparing methods · The method · Research
- Is the Ferber method safe? What the research says What studies of graduated extinction found about stress, attachment and long-term effects, their limits, and what safe looks like in practice. Research · Safety and health