People say: "The early catches the worm." It means people who wake up do many . U.S. President Benjamin Franklin said: "Early to bed, early to rise makes a man healthy, wealthy, and ." These may be true. Scientists in the U.K. found that people who go to bed before 11pm may do better in . They added that people who sleep and wake up early (early birds) have an over people who sleep and wake up late (night owls). They found in the brain of early birds and night .
The scientists tested 38 people. The people answered about their sleep and when they felt . They were then put into an early bird or night owl group. All of the people had MRI brain and did throughout the . The early birds said they felt less . They did the tests quicker than the night owls. There were differences between the two . The researchers said night owls have to get up early for school and . They are always fighting against wanting to sleep late and their rhythm.