最終更新日:2022/12/24
The baby or toddler who goes to sleep alone (with a Care Bear, with his favorite blanket, or by sucking his thumb) learns valuable self-quieting behaviors that can be used for many years to come.
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The baby or toddler who goes to sleep alone (with a Care Bear, with his favorite blanket, or by sucking his thumb) learns valuable self-quieting behaviors that can be used for many years to come.