Reviewed by Susha Cheriyedath, M.Sc. A 70-day diary study reveals why activity, sleep, socializing, nature, diet, and mood may not follow the same pattern for everyone. Study: Examining the clustering of lifestyle factors and affect in daily life: An idiographic approach. Image Credit: MMD Creative / Shutterstock In a recent study published in the journal Applied Psychology: Health and Well-Being, researchers examined the clustering of lifestyle behaviors and emotional experiences in daily life.