Seen in some bipolar and depressive disorders where daily changes in mood happen. See seasonal affective disorder.
DIURNAL MOOD VARIATION: "A diurnal mood variation sees elevated mood during the dayt and depressed mood at night."
Cite this page: N., Sam M.S., "DIURNAL MOOD VARIATION," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/diurnal-mood-variation/ (accessed March 23, 2023).
