Article Text

other Versions

PDF
Hypersomnia: an overlooked, but not overestimated, sleep disturbance in bipolar disorder
  1. Katherine A Kaplan,
  2. Rayma Williams
  1. Department of Psychiatry, Stanford University, Stanford, California, USA
  1. Correspondence to Dr Katherine A Kaplan, Stanford University, Stanford, CA 94305-5101, USA; katekate{at}stanford.edu

Statistics from Altmetric.com

ABSTRACT FROM: Steinan MK, Scott J, Lagerberg TV, et al. Sleep problems in bipolar disorders: more than just insomnia. Acta Psychiatr Scand 2016;133:368–77.

What is already known on this topic

Sleep disturbances are common across bipolar spectrum disorders. Reduced need for sleep, insomnia and hypersomnia (excessive sleep or sleepiness) are diagnostic features of illness episodes; these sleep disturbances persist into the interepisode period and are associated with functional impairment and risk for relapse.1 Few studies have investigated subtypes of sleep disturbances within bipolar spectrum disorders, and these have been limited to specific illness states (eg, depression)2 or to specific bipolar subtypes (eg, bipolar I disorder).3

Methods of the study

This cross-sectional study recruited 563 inpatient and outpatient adults with bipolar disorder types I and II (BD I and BD II) across Norway. Two semistructured clinician-administered interviews, the Inventory of Depressive Symptomatology (IDS-C) and Young Mania Rating Scale (YMRS), were used to assess mood state. Sleep disturbance …

View Full Text

Request permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.