Rare Disorder That Made Patient 'Feel Unreal' Linked to Grim Daydreams

Sleep problems and gloomy daydreams may worsen the symptoms of a rare psychiatric disorder that causes people to feel as though they are "unreal," a new report of one man's case suggests. In the report, researchers in the United Kingdom looked at sleep problems and daydreaming habits in a man with a disorder called depersonalization-derealization disorder, which makes the person feel disconnected from the real world. Moreover, repetitive and negative daydreams that the man experienced on some da