Related abilities

Has an established and reliable sleeping schedule (13-18 months)

Has an established and reliable sleeping schedule (19-24 months)

Has an established and reliable sleeping schedule (2-3 years)

Has an established and reliable sleeping schedule (4-6 years)

Has an established sleep schedule (19-24 months)

Has an established sleep schedule (2-3 years)

Has an established sleep schedule (4-6 years)

Has an established and reliable sleeping schedule (7-9 months)