Did you know that, out of ten people, one is an early riser, one is a night owl and the rest follow a normal circadian cycle? Early risers and night owls are energetic at different times of the day. An early riser is someone who wakes up and starts their day very early in the morning. On the other hand, a night owl is someone who is more productive during the night and likes to stay up late. We experience a high and low body temperature every 24 hours and since we are most active and alert when our body temperature is highest, it is easy to understand why early risers are more active and alert early in the day, so that night owls do. only becomes fully active and alert later in the day. Although our tendencies to wake and sleep are innate, many factors can define whether we are an early riser or a night owl. Each person has their own circadian rhythm, or internal clock. The average human clock lasts 24 hours, but each has a slight variation, meaning some may be longer or shorter than others. If a person's internal clock is longer, they will do it more...