Final answer:
Positive emotion usually rises after waking up in the morning as individuals engage in daily activities, which corresponds with the circadian rise in body temperature throughout the day.
Step-by-step explanation:
Positive emotion generally tends to rise during the part of the day after waking up in the morning. Studies indicate that negative feelings or mood disturbances are most common when individuals first arise in the morning, but these feelings often improve rapidly as one engages with daily activities. The circadian rhythm associated with our body temperature also reflects this pattern, as it shows a rise throughout the waking day, indicating an improvement in overall alertness and likely contributing to an increase in positive emotions as the day progresses.
Research suggests that positive emotion generally rises during the waking day, peaking in the afternoon. According to a study on body temperature, it was found that body temperature rises throughout the waking day, reaching its peak in the afternoon and falling during sleep. This supports the idea that positive emotion also tends to peak in the afternoon.