初中生每天睡眠不少于几个小时 中学生每天需要睡眠几小时?
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绛旓細鏁欒偛閮ㄦ棭鍦2008骞撮甯冪殑銆婁腑灏忓鍋ュ悍鏁欒偛鎸囧绾茶銆嬪凡鏄庣‘瑙勫畾锛岃纭繚闈掑皯骞翠紤鎭潯鐪犳椂闂达紝淇濊瘉灏忓鐢姣忓ぉ鐫＄湢10灏忔椂锛鍒濅腑鐢9灏忔椂锛岄珮涓敓8灏忔椂銆備絾杩戝勾涓浗闈掑皯骞寸爺绌朵腑蹇冪殑璋冩煡缁撴灉鏄剧ず锛屽湪瀛︿範鏃ワ紝涓皬瀛︾敓骞冲潎鐫＄湢鏃堕棿涓7灏忔椂37鍒嗛挓锛屼腑灏忓鐢熺潯鐪犳椂闂浣庝簬鍥藉瑙勫畾鏃堕棿鐨勬瘮渚嬭揪78.1%銆
绛旓細7-8灏忔椂
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