Delayed sleep phase syndrome often have a disorder called circadian rhythm sleep disorder. Delayed sleep phase syndrome is when you have problems with falling asleep at a certain time. A lot of people will also have problems getting up at morning hours due to the fact of not going to sleep after midnight.

Treatment for Delayed sleep phase syndrome  might vary depending on the level that the patient is on.

Treatments for Delayed sleep phase syndrome:

- using very light therapy can help a person such as dimming lights at night

- cannabis

- chronotherapy

- modafinil

- vitamin b12

- trazodone

Getting on a strict and regular sleep schedule will help patients who struggle with Delayed sleep phase syndrome. Cutting back on caffeine at night plus other possible stimulant drugs might help you be able to sleep better.
 
It can take awhile for a person to get over Delayed sleep phase syndrome and that is why therapy is very important for the ones that have it.