Cognitive behavior therapy is useful to help people improve their sleep hygiene such as keeping a better sleep schedule, decreasing excessive caffeine use and adhering to evening light avoidance. People with delayed sleep phase may also have conditioned arousal that contributes to concomitant insomnia that may be usefully addressed by cognitive behavior therapy.

Morning Phototherapy involves exposure to bright light upon awakening. It helps to increase morning alertness and advances the sleep phase in the evening. An inexpensive way to get exposure to bright light (depending on weather conditions, the location and season of the year) is ...