Related abilities

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

Has an established sleep schedule (10-12 months)

Is usually able to self calm to fall asleep (10-12 months)

Is usually able to self calm to fall asleep (13-18 months)

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

Has an established sleep schedule (19-24 months)

Is usually able to self calm to fall asleep (19-24 months)

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