ELI5: Explain Like I'm 5

Cyclothymia

Cyclothymia is a type of mood disorder. People with cyclothymia have moods that go up and down, but not as severely as with other types of mood disorders. Sometimes they can feel really happy or excited, but then suddenly become sad or angry. They might also have trouble sleeping and have changes in their eating habits. People with cyclothymia may also feel more anxious or down than usual for days or weeks at a time.