Delayed sleep phase syndrome, also known as lag phase syndrome is a type of circadian rhythm sleep disorder, which is characterized by a problem or delay with the timing of a person’s…
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Melatonin For Delayed Sleep Phase Disorder
Delayed sleep phase disorder (DSP) or syndrome (DSPS), also called phase lag syndrome, is a circadian rhythm disorder1. DSP consists of a typical sleep pattern that is delayed by two or more…