This study aims to explore the objective, subjective and lifetime sleep characteristics
of patients with manifest bipolar disorder and persons with an elevated risk of developing the disease. Twenty-two patients
with bipolar I and II disorder, nine persons with an elevated risk of developing the disorder and 28 healthy controls were
evaluated with a structured interview to characterize subjective and lifetime sleeping habits. In addition, participants wore
an actimeter for six nights. Patients with bipolar disorder had longer sleep latency and duration compared with healthy controls
as determined by actigraphy. The subjective and lifetime sleep characteristics of bipolar patients differed significantly
from healthy controls. The results of participants with an elevated risk of develo…