What is Delayed Sleep Phase Disorder (DSPD)

Delayed Sleep Phase Disorder (DSPD) is a sleep disorder characterized by a persistent delay in the timing of the sleep-wake cycle. Individuals with DSPD typically have difficulty falling asleep and waking up at socially acceptable times, which can lead to chronic sleep deprivation and daytime sleepiness.

The main feature of DSPD is a consistent delay in the timing of sleep onset and awakening, often by two or more hours compared to the desired or conventional schedule. This delay is not due to external factors but rather an internal misalignment of the body's circadian rhythm.

People with DSPD often find it challenging to fall asleep at a desired time, resulting in insufficient sleep duration. This can negatively impact daily functioning, work or school performance, and overall quality of life.

Treatment options for DSPD include light therapy, where individuals are exposed to bright light in the morning to help shift their circadian rhythm earlier, and chronotherapy, which involves gradually adjusting sleep and wake times over a period of time. Additionally, sleep hygiene practices such as maintaining a consistent sleep schedule, avoiding stimulants close to bedtime, and creating a conducive sleep environment can also be beneficial.

If you suspect you may have DSPD, it is recommended to consult with a healthcare professional or sleep specialist who can provide a proper diagnosis and guide you towards appropriate treatment options.