How Long Should a 3-Month-Old Baby Sleep?

A 3-month-old baby requires 14 to 15 hours of sleep per day, but typically cannot sleep through the night until around 5 to 6 months of age. Parents should start teaching their babies to differentiate between day and night from when they are 2 weeks old, and reduce conversation and keep the indoor lighting dim when the baby wakes up or is fed at night, so the baby knows it’s time for sleep.
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How Many Hours Should a 15-Year-Old Sleep?

A 15-year-old typically requires about 8 to 10 hours of sleep. To ensure adequate rest, it’s recommended to properly manage nutrition intake, supplement vitamins and trace elements, and consume easily digestible and absorbable foods, while avoiding harmful stimuli.
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