Q&A: How Sleep Affects Mood

  • Written by: Amanda Myers

Sleep affects mood and we all know that. We've noticed how we get so irritable, impatient and so on when we did not get enough sleep. But we can't simply rely on our personal observations to come to a conclusion that sleep affects mood. There has to be a thorough research or study done to prove that sleep, in fact, affects our mood.

Mood Disorder

What does the term "mood disorder" mean?

Basically, mood disorder is a sudden severe change in mood that affects a person every day.

For some people, mood problems can only happen a few times a week and that is alright. However, if mood changes happen suddenly and every single day - it becomes a problem.

What the 2 main types of illnesses associated with mood disorders?

Depressive disorders (persistent sadness)
Bipolar disorders (extreme elation)

Sleep and Mood

Why does sleep affect our mood?

Several studies show that sleep deprivation disrupts brain functions including our mood. Mood disorders are caused by increased amygdala activity disrupting its normal functions.

What is the amygdala?

It is the little almond-shaped brain structure integral in controlling emotions such as love and mood mainly anger, fear, and rage.

What are examples of mood disorders caused by poor and inadequate sleep?

  • irritability
  • stress
  • anxiety
  • depression
  • short-tempered
  • angry
  • sad
  • agitation
  • hostile
  • less friendly
  • less empathic
  • lower positive mood
  • inability to reap the emotional benefits of a positive experience
  • upset
  • intense melancholy
  • feeling hopeless
  • lethargy or malaise
  • loss of app