Quick answers
What defines sleep?
Circadian development, night waking, and safe sleep environments — framed by circadian development and safe sleep.
Is there strong evidence on sleep?
Evidence score 91/100 reflects published cohort, RCT, and meta-analytic work — gaps remain in cross-cultural replication.
Does sleep apply at every age?
Age range 0–18 years marks peak relevance; principles may extend but intensity varies by developmental stage.
How hard is sleep in practice?
Difficulty score 70/100 captures typical caregiver load — context, support, and temperament modify real experience.
What do experts agree on?
Consensus score 75/100 — areas of agreement and live debate appear in the science section.
How urgent is attention to sleep?
Urgency 88/100 reflects time-sensitivity; some topics tolerate gradual change, others need early action.