Robert worked in a big office.He liked to use his head and was good at his work.The head of the office often praised（赞扬）him and gave him a lot of work to do.Now the young man worked harder.
But one month Robert felt unwell.For nearly two wecks he couldn’t fall asleep at night and he was very tired and sleepy in the daytime.And he always made mistakes.It worried him and one day he had to go to hospital.The doctor looked him over and told him to buy some highly effec-tive sleeping pills and take them before going to bed.He did all as the doctor said.That evening，when he had supper.
he took some medicine.About ten minutes later，at a quarter to eight，he felt sleepy and he went to bed and soon fell asleep.
In the morning the young man woke up before the bell rang.He had a look at his watch，it was half past six.He got up on time，did somemorning exercises.After breakfast he went to work，As soon as he came into the office，he said to-the head，"Good morning，Mr Read！I’ve never had a good sleep like last night’s.And now I’m feeling much better！"
"Skunk（混蛋）！"the head shouted angrily."We’ve looked for you for two days！I was wait ing for you to do a piece of important business.But now it’s all too late！"