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Chronic Insomnia: Causes, Symptoms, and CBT-I Treatment for Better Sleep

Learn what causes chronic insomnia, common symptoms, and when to seek help. Discover how CBT-I therapy can improve sleep and restore healthy sleep patterns.
chronic insomnia therapy

Stressful events, busy schedules, or temporary disruptions to routine can all interfere with sleep from time to time. However, when sleep difficulties continue for weeks or months, they may develop into a condition called chronic insomnia.

Chronic insomnia can affect physical health, emotional well-being, and daily functioning. Understanding the causes of insomnia and knowing when to seek support can help individuals regain healthy sleep patterns and improve overall quality of life.

What Is Chronic Insomnia?

Insomnia refers to ongoing difficulty with sleep despite having adequate opportunity to sleep.

Chronic insomnia is typically diagnosed when sleep difficulties occur at least three nights per week for three months or longer.

People experiencing chronic insomnia may struggle to fall asleep, wake up frequently during the night, wake up earlier than intended, or feel tired even after spending enough time in bed.

What makes insomnia particularly challenging is that it continues even when a person feels extremely tired. The body craves sleep, but the brain won’t shut off.

The Hidden Cycle of Insomnia

Insomnia can begin with a stressful life event. A work deadline, illness, relationship difficulty, or major life transition that disrupts your sleep temporarily.

During this time, people often try to compensate by spending more time in bed, worrying about sleep, or trying harder to fall asleep.

Unfortunately, these efforts can unintentionally reinforce insomnia. The brain begins to associate the bed with frustration, anxiety, or wakefulness rather than rest.

This cycle can make insomnia feel difficult to escape.

How Chronic Insomnia Affects Mental and Physical Health

Sleep plays a critical role in emotional regulation, cognitive functioning, and physical recovery.

When sleep is consistently disrupted, individuals may experience increased fatigue, irritability, difficulty concentrating, and reduced motivation. The body cannot function properly without sleep causing issues with muscle recovery, digestion, and other physical ailments on top of mental.

Chronic insomnia is also closely connected to anxiety and depression. Lack of sleep can intensify emotional responses and make everyday stressors feel even more overwhelming.

Over time, poor sleep can also begin to affect immune function, cardiovascular health, and stress resilience.

Cognitive Behavioural Therapy for Insomnia (CBT-I)

Many people try to solve insomnia by adjusting sleep habits or using sleep aids. While these strategies can sometimes help temporarily, they may not address the underlying patterns that maintain insomnia.

Insomnia often involves a combination of behavioural patterns, nervous system activation, and cognitive habits such as worry about sleep.

Without addressing these deeper patterns, sleep difficulties may continue.

Cognitive Behavioural Therapy for Insomnia, often referred to as CBT-I, is widely recognized as the first-line treatment for chronic insomnia.

CBT-I is a structured therapy designed specifically to treat sleep difficulties. Rather than focusing only on relaxation techniques, CBT-I helps individuals change the behaviours and thought patterns that contribute to insomnia.

Through CBT-I, individuals learn how to rebuild a healthy relationship with sleep.

Therapy may include strategies such as strengthening the body’s natural sleep drive, adjusting sleep schedules, addressing sleep-related anxiety, and developing supportive bedtime routines.

Extensive research shows that CBT-I produces long-lasting improvements in sleep quality.

CBT-I Therapy at The Relationship Centre

Therapists at The Relationship Centre have completed specialized training in CBT-I through Queen’s University.

This evidence-based therapy supports individuals experiencing chronic insomnia by helping them understand their sleep patterns and develop strategies that restore healthy sleep rhythms.

You can learn more about CBT-I therapy here:
https://www.therelationshipcentre.ca/therapy-services/cbti-therapy/

A Healthier Relationship With Sleep

Insomnia can feel isolating and frustrating but it is highly treatable. With the right tools and guidance, many people experience significant improvements in their sleep and overall well-being.

Seeking support can help break the cycle of insomnia and restore the restful sleep that supports both mental and physical health.

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