六个月大的婴儿，夜里应该可以睡得很甜，但是也有许多影响睡眠的情况。
Six months old babies, night should be allowed to rest very much sweetly, but also has many influences sleep the situation.
六个月大的婴儿，夜里应该可以睡得很甜，但是也有许多影响睡眠的情况。
Six months old babies, night should be allowed to rest very much sweetly, but also has many influences sleep the situation.
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