睡眠不足，容易发胖的。每天睡5～6小时的人，平均比每天睡7—8小时的人重6—8磅。当正常睡眠时间被剥夺时，身体会产生大量的抗压激素，以减缓新陈代谢的速度，同时第二天的食欲也会增强。如果早晨必须7点起床，前天晚上最好在11点左右睡。睡觉前可以泡个热水澡，或读本小说。

                      

                                                                                    

天天英语   

      Teresa went up to Mrs Webster's room,two stairs at a time. She was nearly at the top when she stopped and sniffed. A strong smell of gas was coming from that direction.Teresa ran up the remaining stairs and threw open the door. She put her hands over her mouth to stop a scream. Mrs Webster was lying on the floor near the sink. Her skin and lips had a pinkish colour and she appeared to be unconscious.The room was full of gas.

                                                                        日清日毕  周清周高

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