Inability to sleep; Dyssomnia; Sleeplessness; Wakefulness
Definition of Sleeping difficulty
Sleeping difficulty can involve difficulty falling asleep when you first go to bed at night, waking up too early in the morning, or waking up often during the night. It can also involve combinations of these patterns.
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; Michelle Benger Merrill, MD, Instructor in Clinical Psychiatry, Department of Psychiatry, Columbia University Medical Center, New York, NY. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 3/31/2010