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Baby often cries in the midnight, which make the parents get up to appease the baby, so the sleep quality of parents is poor, not only affect the next day work, but also endanger the physical and mental health. The crib is made up of the bottom sound system and the rotating swing system. When the baby cries in the midnight, the latter system will imitate the mother's walking frequency normally, at the same time, the sound system also makes the baby appear to near to their mother, comforting the baby to back to sleep so that the parents can sleep better, and avoid the “shaken baby syndrome” that may caused by parents.
Guangzhou University
Guangzhou, China
Yuxin Liang,
Guangzhou University
Haoxian Li,
Guangzhou University