Ross Greene
b. 1957 · USCollaborative problem solving
Ross Greene shaped discourse on circadian development and safe sleep through research and public writing.
Sleep drew researchers from psychology, paediatrics, education, and anthropology.
Eight influential figures below span theory, clinical work, and global policy.
Eight guides worth knowing
Piaget
1896–1980 · SwitzerlandCognitive stages
Piaget shaped discourse on circadian development and safe sleep through research and public writing.
William Sears
b. 1939 · USAttachment parenting
William Sears shaped discourse on circadian development and safe sleep through research and public writing.
Penelope Leach
b. 1937 · UKPractical child development
Penelope Leach shaped discourse on circadian development and safe sleep through research and public writing.
Montessori
1870–1952 · ItalyPrepared environment
Montessori shaped discourse on circadian development and safe sleep through research and public writing.
Ellyn Satter
b. 1942 · USFeeding dynamics
Ellyn Satter shaped discourse on circadian development and safe sleep through research and public writing.
T. Berry Brazelton
1918–2018 · USInfant cues
T. Berry Brazelton shaped discourse on circadian development and safe sleep through research and public writing.
Erikson
1902–1994 · Germany/USPsychosocial stages
Erikson shaped discourse on circadian development and safe sleep through research and public writing.
Together they moved sleep from opinion columns toward evidence-informed frameworks still debated today.
Keep exploring
More in Everyday issues
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Feeding
Breast, bottle, solids, and picky eating — Ellyn Satter's division of responsibility frames feeding as a relational not battlefield task.
Evidence 93 📱Screen Time
Screens displace sleep, movement, and conversation — WHO, AAP, and UNESCO guidance converges on limits under five with quality over quantity debates.
Evidence 82 🚧Discipline Conflicts
When limits meet resistance — discipline conflicts escalate when stress, inconsistency, or developmental mismatch go unaddressed.
Evidence 79 👯Sibling Rivalry
Competition for attention and resources — Judy Dunn's sibling research shows conflict is normative but manageable with fair attention and teaching repair.
Evidence 76 🎒School Readiness
Self-regulation beats flashcards — school readiness combines executive function, language, and social entry more than early academic drilling.
Evidence 88