Tại sao trẻ em thời nay không ngủ đủ vào ban đêm?
Nghiên cứu của Sleep Council (Anh) cho thấy trẻ từ 7 đến 14 tuổi ngày nay thường đi ngủ muộn hơn 40 phút so với ông bà chúng.
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