The table shows the sleeping times of people in five different jobs during a 24-hour period. The jobs are student, truck driver, full-time mother, business executive and doctor.
Overall, students and full-time mothers slept the most, at 8 hours a day, while doctors slept the least. Some people slept at one time, but others slept several times during the day.
The student slept from 11 pm to 7 am without waking up, which was 8 hours in total. The business executive also slept at one time, from 11 pm to 5 am, but this was only 6 hours.
The full-time mother also slept for 8 hours in total, but her sleep was divided into three periods. She slept from 10 pm to 1 am and from 3 am to 6 am, and she also had a nap from 1 pm to 3 pm. The truck driver slept for 6 hours in three periods, from 6 to 7 pm, from 7 to 10 am and from 4 to 6 pm. The doctor slept the least, only 5 hours, from 1 to 3 am and from 4 to 7 am.
Viết ít nhất 150 từ trong khoảng 20 phút.