It is said “the early bird may catch the worm” but people who lie around the bed in the morning and work in the evening are more intelligent. Scientists asked 400 volunteers to fill in questionnaires to work out if they considered themselves early-rising morning types or late-working evening types. The researchers discovered that evening types had significantly better mental speed and memory. But because of their work they often have to wake up early in the morning. They try to achieve the goal set before the thirsty.