Reference:

Thuy-vy, T. N., Werner, K. M., & Soenens, B. (2019). Embracing me-time: Motivation for solitude during transition to college. Motivation and Emotion, 43(4), 571-591.

Nguyen, T. V. T., Ryan, R. M., & Deci, E. L. (2018). Solitude as an approach to affective self-regulation. Personality and Social Psychology Bulletin, 44(1), 92-106.