Delayed Sleep Phase Syndrome

Updated February 16, 2002

Delayed sleep phase syndrome (DSPS) is a fairly common disorder of sleep timing. People with DSPS tend to fall asleep at very late times, and also have difficulty waking up in time for normal work, school, or social needs.

• Symptoms
• What Causes DSPS?
• Getting Help
• Treatment for DSPS
• DSPS and Depression
• Further Information/Links
• About the Author - Su-Laine Yeo
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