Bibliography (6):

1. A systematic review of manic and depressive prodromes

2. Defining Heterogeneous Cognitive Trajectories in Bipolar Disorder: A Perspective

3. Increased Activity or Energy as a Primary Criterion for the Diagnosis of Bipolar Mania in DSM-5: Findings From the STEP-BD Study

4. Social rhythm regularity and the onset of affective episodes in bipolar spectrum individuals

5. Wikipedia Bibliography:

   1. Sleep deprivation

   2. Bipolar disorders research