Chronic insomnia can qualify as a disability in Canada when ongoing sleep problems cause fatigue, cognitive difficulties or other symptoms that prevent you from working safely, consistently and reliably.
An occasional sleepless night will not normally support a disability claim. However, persistent difficulty falling asleep, staying asleep or obtaining restorative sleep can seriously affect concentration, judgment, memory and stamina.
A diagnosis alone does not automatically qualify you for benefits. The insurer must consider how insomnia affects your daytime functioning and ability to meet the regular demands of your occupation.
If your short-term or long-term disability claim has been denied or cut off, the disability lawyers at Samfiru Tumarkin LLP can review the insurer’s decision during a free consultation.
On This Page:
- Is Insomnia a Disability?
- How Insomnia Affects Work
- Disability Benefits
- Proving Your Claim
- Why Claims Are Denied
- Frequently Asked Questions
Is Insomnia a Disability in Canada?
Yes. Insomnia can be considered a disability when it substantially limits your ability to work or complete important daily activities.
Insomnia is a sleep disorder that can involve difficulty falling asleep, remaining asleep or returning to sleep after waking. Some people also wake earlier than intended and are unable to fall asleep again.
An insurer may consider:
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How long you have experienced insomnia
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How frequently your sleep is disrupted
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How poor sleep affects your daytime functioning
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Whether treatment has improved your symptoms
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Whether you can maintain safe and reliable work performance
Is Chronic Insomnia a Disability?
Chronic insomnia may qualify as a disability when sleep problems continue over time and cause significant daytime limitations.
The most important issue is often not the number of hours you sleep. It is whether poor-quality or interrupted sleep prevents you from concentrating, making decisions, controlling your emotions or remaining alert throughout the workday.
Is Insomnia a Permanent Disability?
Insomnia is not automatically a permanent disability. Some people improve after treatment or after an underlying medical or psychological condition is addressed.
Others continue to experience serious sleep problems despite reasonable treatment.
You do not have to prove that you will be unable to work forever. You may qualify for disability benefits for as long as insomnia prevents you from working under the terms of your insurance policy.
How Can Insomnia Affect Your Ability to Work?
Chronic insomnia can affect physical, cognitive and professional work. The impact may become more serious as poor sleep continues.
Possible work limitations include:
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Severe daytime fatigue or sleepiness
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Poor concentration, memory or decision-making
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Slower reaction times and reduced alertness
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Headaches, dizziness or physical weakness
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Irritability, anxiety or difficulty managing stress
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Frequent lateness, absences or reduced productivity
Driving and Safety-Sensitive Work
Severe fatigue and reduced alertness may make it unsafe to drive, operate machinery, work at heights or perform duties where a delayed reaction could cause an accident.
Insomnia may be especially serious for drivers, health care workers, emergency responders, tradespeople and employees working overnight or rotating shifts.
Office and Remote Work
An insurer may argue that you can perform office or remote work because the job is not physically demanding.
However, sedentary employment still requires concentration, communication, accuracy, judgment and consistent productivity.
Brain fog and fatigue may cause repeated mistakes, difficulty following conversations or an inability to complete detailed tasks within reasonable deadlines.
Insomnia and Other Medical Conditions
Insomnia may occur alongside anxiety, depression, chronic pain or another sleep disorder.
It may also be connected to medication, menopause or another underlying medical condition.
The insurer should consider the combined effect of all your conditions rather than assessing insomnia in isolation.
Can You Get Disability Benefits for Insomnia?
You may qualify for disability benefits if chronic insomnia prevents you from completing the essential duties of your job.
The applicable test depends on the benefit program and the wording of your plan.
Short-Term Disability Benefits
Short-term disability benefits may replace part of your income during a temporary medical leave while your symptoms are assessed or treated.
For more information about this specific benefit, read our guide to short-term disability for insomnia.
Long-Term Disability Benefits
Long-term disability benefits may become available when chronic insomnia continues to prevent you from working beyond the short-term disability period.
Many LTD policies initially consider whether you can perform your own occupation. After a set period, commonly two years, the insurer may consider whether you can perform another suitable occupation.
The insurer should consider whether fatigue, cognitive difficulties and related conditions prevent you from sustaining another job—not simply whether you are physically able to sit at a desk.
CPP Disability Benefits
You may qualify for CPP Disability benefits if insomnia and your complete medical condition regularly prevent you from performing substantially gainful work.
Your disability must generally be long-term or indefinite, and you must have made enough valid CPP contributions.
Insomnia alone may be difficult to establish as a severe and prolonged disability. A claim may be stronger when the evidence explains how insomnia combines with depression, anxiety, chronic pain or another medical condition to prevent work.
Does Insomnia Qualify for the Disability Tax Credit?
Insomnia does not automatically qualify for the Disability Tax Credit.
Eligibility is based on whether the effects of an impairment meet the Canada Revenue Agency’s requirements for a severe and prolonged restriction in an eligible daily activity.
The Disability Tax Credit is a tax credit rather than a monthly income-replacement benefit.
How Do You Prove an Insomnia Disability Claim?
Insomnia does not normally appear on an X-ray or blood test. A strong claim should clearly explain how poor sleep affects your daytime functioning and ability to work.
Helpful evidence may include:
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Medical records from your family doctor or sleep specialist
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The frequency and duration of your sleep difficulties
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Specific daytime cognitive and physical limitations
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Your treatment history and medication side effects
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Information about related medical or psychological conditions
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Workplace accommodation or failed return-to-work attempts
Describe Your Daytime Limitations
Simply stating that you sleep poorly may not explain why you are unable to work.
Your evidence should describe whether fatigue affects your concentration, reaction time, memory, attendance, communication or ability to complete tasks accurately.
Keep a Sleep and Symptom Journal
A journal may help document when you go to bed, how often you wake, how much sleep you obtain and how you function the next day.
Record missed work, mistakes, safety concerns, naps, medication side effects and activities you are unable to complete.
Continue Reasonable Treatment
Continue attending medical appointments and following reasonable treatment recommendations where possible.
If treatment is unavailable, ineffective or causes significant side effects, discuss the issue with your doctor so the explanation is documented.
Why Do Insurers Deny Insomnia Disability Claims?
An insurer may accept that you experience insomnia but argue that the available evidence does not prove you are unable to work.
Common denial reasons include:
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The insurer describes your insomnia as temporary or treatable
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There is no objective test proving the severity of your symptoms
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Your medical records do not clearly describe your daytime restrictions
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The insurer says you can perform sedentary or remote work
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The insurer believes medication should allow you to sleep
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Your daily activities are presented as proof that you can work
The Insurer Says Insomnia Is Treatable
Treatment may improve sleep without restoring your ability to work consistently. Some medications may also cause daytime drowsiness, dizziness or cognitive problems.
Your evidence should explain the limitations that remain despite following reasonable medical advice.
The Insurer Says You Can Work From Home
Remote work does not eliminate the need for regular attendance, concentration, communication and productivity.
The ability to rest at home does not necessarily mean you can perform a full work schedule while managing severe fatigue and brain fog.
What Should You Do After a Denial?
Read and save the denial letter, continue receiving medical care and request a complete copy of your disability policy.
Keep your medical records, sleep journal and communications with the insurer. Do not return to safety-sensitive work against your doctor’s advice.
Speak with a disability lawyer before filing an internal appeal. The same insurer that denied your claim will review the appeal, and important legal deadlines may continue to run.
Learn more about what to do when your long-term disability claim is denied.
Frequently Asked Questions About Insomnia and Disability
Is insomnia considered a disability?
Insomnia can be considered a disability when ongoing sleep problems and daytime limitations substantially affect your ability to work or complete important daily activities.
Is chronic insomnia a disability?
Chronic insomnia may qualify when severe fatigue, reduced alertness or cognitive difficulties prevent safe and reliable employment.
Can you get long-term disability for insomnia?
You may qualify for LTD benefits if chronic insomnia prevents you from performing your occupation or another suitable occupation under the terms of your policy.
Does insomnia qualify for short-term disability?
Insomnia may qualify for short-term disability when its symptoms temporarily prevent you from completing the essential duties of your job.
Can insomnia qualify for CPP Disability?
Insomnia may qualify when it and any other medical conditions regularly prevent substantially gainful work, are long-term or indefinite and you have made enough valid CPP contributions.
Can you work with chronic insomnia?
Some people can continue working with treatment or accommodations. Others can’t work safely or consistently because of fatigue, poor concentration and reduced alertness.
Should you appeal a denied insomnia disability claim?
Do not assume an internal appeal is the best option. The same insurer that denied your claim will review it. Speak with a disability lawyer before proceeding.
Get Help With a Denied Insomnia Disability Claim
Living with chronic sleep deprivation is difficult enough. Fighting with an insurance company while managing fatigue, brain fog and financial uncertainty can make the situation worse.
Samfiru Tumarkin LLP represents people with denied and terminated disability claims throughout Canada, excluding Quebec.
Our disability lawyers can review your insurance policy, medical evidence and denial letter and explain the options available.
Contact us for a free consultation if your short-term or long-term disability claim has been denied or cut off.