Transition

According to the AAP, switch from crib when:

  • Child climbs over the railing (usually 89 cm tall or ~18–24 months)
  • Or when they turn 35 months

Types of beds

  • Toddler bed: Low, with side rails — 2–4 years
  • Regular bed (twin): 4+ years
  • Bunk bed: Only 6+ years (per AAP)

Mattress

  • Firm — especially for young children
  • Hypoallergenic
  • No harmful chemicals (CertiPUR-US)
  • Waterproof mattress protector

References