Ngủ quá nhiều có nguy cơ cao mắc bệnh mất trí
Cập nhật: 09:17 16/09/2009 GMT+7
hững người lớn tuổi nếu ngủ từ 9 tiếng trở lên mỗi ngày có nguy cơ cao mắc chứng mất trí hơn những người có thói quen ngủ ít hơn 9 tiếng mỗi ngày.Những nhà nghiên cứu Tây Ban Nha đã chỉ ra rằng trong số gần 3300 người già mà họ đã theo dõi trong khoảng thời gian 3 năm, những người ngủ nhiều hơn 9 tiếng mỗi ngày- bao gồm cả những giấc ngủ trưa, có nguy cơ mắc chứng mất trí gấp đôi so với những người có giấc ngủ đều đặn 7 tiếng mỗi ngày.
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