Japanese babies sleep the least.

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Japanese babies sleep for only 11 hours and 37 minutes a day on average, the shortest time among babies in 16 countries and territories, a study said on friday. in comparison, babies in New Zealand sleep the longest 13 hours and 18 minutes, it claimed. A group of doctors from various countries compiled the study through an internet survey which covered babies aged up to three years. The group received answers from about 28,000 people, including 870 in japan. React on this.