is bird nest really effective?

bird nest are expensive to me. but is it really effective to make infant baby sleep longer? my mil suggest me to put infant baby in 'buaian:

8 Balas
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Tulis jawapan

Bird nest is a very nutritious food and elok utk mummy & baby, cuma cari yg tanpa gula, kalau boleh masak sendiri bird nest, boleh cari.

5y ago

maksud saya tempat tidur bird nest tu.. maaf saya tanya soalan x lengkap