The chart below shows the sleep patterns of people in five different occupations according to a Canadian study. asleep: awake: Occupation Student Truck Driver Full-time mother Business Executive Doctor 6-7 pm 7-8 pm 8-9 pm 9-10 pm 10-11 pm 11-12 pm 12-1 am 1-2 am 2-3 am 3-4 am 4-5 am 5-6 am 6-7 am 7-8 am 8-9 am 9-10 am 10-11 am 11-12 am 12-1 pm 1-2 pm 2-3 pm 3-4 pm 4-5 pm 5-6 pm

