Delayed Sleep Phase Syndrome

[contentuser]

Diagnosis


There is no diagnostic test for DSPS and diagnosis is based on sleep history (i.e., inability to fall asleep until the middle of the night and difficulty waking up in the morning). Although DSPS is a physiological disturbance, there is no physical evidence to confirm the disorder.



Physicians often seek to exclude behavioral or lifestyle preferences, inadequate sleep hygiene, and psychophysiologic insomnia as causes for DSPS. Other sleep disorders that cause excessive d...Read the full article