Sleep Disorders

Revealed: The Five Types of Circadian Rhythm Sleep Disorders


What are circadian rhythm disorders?

General symptoms

Shift work sleep disorder

How to treat shift work disorder

Delayed sleep phase disorder

How to treat delayed sleep phase disorder

Advanced sleep phase disorder

How to treat advanced sleep phase disorder

Irregular sleep-wake rhythm

How to treat irregular sleep-wake rhythm

Non-24-hour sleep-wake disorder

How to treat non-24-hour sleep-wake disorder

A few additional words about melatonin

Martin Reed

Martin Reed


Martin is the creator of Insomnia Coach, an eight-week course that combines online sleep education with individual sleep coaching. His course helps clients improve their sleep so they can enjoy a better life with more energy and start each day feeling happy, healthy, rested, and refreshed. Martin also runs a free sleep training course that has helped over 5,000 insomniacs. He holds a master’s degree in health and wellness education and studied clinical sleep health at the University of Delaware.