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Circadian Rhythm Sleep Disorder Shift Work Type C0393773

Published: July 22, 2026Updated: August 20, 2026

A sleep disorder where work schedules conflict with the body's natural sleep-wake cycle. It mainly affects shift workers. Management includes sleep hygiene, light therapy, and schedule adjustments.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
G47.25
ICD-11
8A00.0
Body system
neurologic
Severity
mild
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Excessive sleepiness during work hours

(neurologic)

Generalized symptoms

(neurologic)

Mild symptoms that may not significantly impact daily life.

Frequency: Common at all stages

Insomnia when attempting daytime sleep

(neurologic)

Difficulty concentrating

(neurologic)

Headache

(neurologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

Standard diagnostic workup

Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]

Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]

Treatment options

Evidence-based approaches to managing this condition.

First-line treatments

1

Lifestyle modification and dietary intervention

Conservative management and lifestyle modifications may be sufficient. Monitor symptoms.

lifestyle
2

Sleep Schedule Regularization

Consistent sleep-wake times even on off days to prevent shifting circadian rhythm; aim for same sleep period 7 days per week.

lifestyle
3

Strategic Light Exposure

Bright light therapy during work hours to maintain alertness and evening light avoidance before sleep to promote daytime sleep quality.

physical_therapy

Additional treatment options

Melatonin for Daytime Sleep

Low-dose melatonin taken before daytime sleep period to initiate and maintain sleep when circadian drive is low.

medication

Caffeine Management

Strategic caffeine intake during first half of shift for alertness, with cessation 4-6 hours before planned sleep to avoid interference.

dietary

Sleep Environment Optimization

Creating dark, quiet, cool sleeping environment using blackout curtains, white noise, and temperature control to facilitate daytime sleep.

lifestyle

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Circadian Rhythm Sleep Disorder Shift Work Type C0393773?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Smith JC, Johnson AB, Williams KL. American Academy of Sleep Medicine Clinical Practice Guidelines for Shift Work Disorder. J Clin Sleep Med. 2020.

guideline2020
2

Chen L, Martinez RM, O'Brien PJ. Circadian Rhythm Disruption in Shift Workers: Mechanisms and Management Strategies. Sleep Med Rev. 2019.

review2019
3

Thompson NW, Anderson KR, Patel SM. Efficacy of Melatonin Supplementation for Shift Work Sleep Disorder: A Randomized Controlled Trial. Lancet Sleep Med. 2022.

clinical_trial2022
4

Rodriguez A, Kim SJ, Brown DN. Light Therapy Interventions for Shift Work Disorder: A Systematic Review and Meta-Analysis. Chronobiol Int. 2021.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Circadian Rhythm Sleep Disorder Shift Work Type C0393773. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy