Understanding Insomnia: Causes, Impacts, and How to Improve Your Sleep

What is Insomnia? 

Insomnia affects about 1 in 3 people, making it one of the most common sleep disorders. It can make it difficult to fall asleep, stay asleep, or get restorative rest, leaving you feeling drained, irritable, and unable to focus. While occasional sleepless nights are normal, chronic insomnia can take a significant toll on your quality of life, affecting both your physical and emotional well-being. 

Common Symptoms of Insomnia: 

  • Difficulty falling asleep despite feeling tired
  • Waking up frequently during the night
  • Rising too early and struggling to get back to sleep
  • Feeling unrefreshed upon waking
  • Daytime fatigue, mood changes, or difficulty concentrating 


Causes and Impact of Insomnia 

Insomnia can stem from various causes, such as stress, anxiety, lifestyle habits, and even certain medical conditions. External factors like an uncomfortable sleeping environment or irregular sleep schedules can also contribute to sleeplessness. 

A helpful framework for understanding the development of insomnia is the Spielman 3 P’s Model, which highlights three key factors: 

  • Predisposing Factors: Genetic or personality traits that make someone more prone to insomnia (e.g., high anxiety levels).
  • Precipitating Factors: Specific life events that trigger insomnia, such as stress, illness, or trauma. 
  • Perpetuating Factors: Behaviours that maintain insomnia, like poor sleep habits or excessive worry about sleep. 

Long-term insomnia can lead to more serious health issues, including weakened immunity, increased risk of heart disease, and mental health struggles such as anxiety or depression. Understanding what’s disrupting your sleep is the first step in finding a solution. 


The Gold Standard Treatment: Cognitive Behavioural Therapy for Insomnia (CBT-I) 

If you're struggling with chronic insomnia, Cognitive Behavioural Therapy for Insomnia (CBT-I) is considered the gold standard treatment. This structured, evidence-based approach helps identify and change negative thought patterns and behaviours that contribute to poor sleep. 

CBT-I includes techniques such as: 

  • Sleep restriction therapy
  • Stimulus control
  • Cognitive restructuring
  • Relaxation training 

Unlike sleeping pills, CBT-I provides long-lasting results by addressing the root causes of insomnia. 


Practical Tips for Better Sleep 

While insomnia can feel overwhelming, small adjustments to your routine can make a big difference. Here are some gentle and practical steps to improve sleep quality: 

Establish Healthy Sleep Habits 

  • Go to Bed When You Feel Sleepy: Avoid forcing yourself to sleep when you’re not ready. Instead, wait until you naturally feel drowsy.
  • Engage in Relaxing Activities Before Bed: Do something genuinely relaxing, such as listening to soothing music, journaling, or light stretching, to ease into sleep.
  • Get Out of Bed If You Can’t Sleep: If you’re unable to sleep after 20 minutes, get up and do a quiet, non-stimulating activity in dim lighting until you feel sleepy.
  • Wake Up at the Same Time Every Day: Keeping a stable wake-up time, even on weekends, helps regulate your internal clock and improves overall sleep consistency.
  • Expose Yourself to Morning Daylight: Natural sunlight or a SAD lamp in the morning helps reinforce your body’s sleep-wake cycle, promoting better sleep at night. 


The Role of Bedding in Quality Sleep 

Your bedding plays a crucial role in sleep comfort. Investing in the right sleep essentials can help regulate body temperature and provide the support your body needs for restful sleep. 

  • Temperature-Regulating Duvets: If you tend to overheat or get too cold during the night, a duvet designed to regulate temperature can prevent sleep disturbances. 
  • Choosing the Right Pillow: The right pillow depends on your sleeping position and personal comfort needs. Side sleepers may benefit from firmer pillows, while back and stomach sleepers might need softer, lower-loft options for proper neck support. 
  • High-Quality Mattress and Bedding Materials: Breathable fabrics like cotton or bamboo can keep you comfortable throughout the night by wicking away moisture and allowing airflow. 


Creating a Sleep Sanctuary 

We can often develop a negative association with the bedroom when struggling with insomnia, making it even harder to relax and fall asleep. Creating a sleep sanctuary can help reframe your mindset and make your bedroom a place of comfort and relaxation. 

Ways to Make Your Bedroom More Sleep-Friendly: 

  • Invest in Beautiful, Comfortable Bedding: Make your bed an inviting place with soft, high-quality linens and pillows.
  • Keep Your Room Tidy and Clutter-Free: A calm, organised space can help you feel more relaxed at bedtime.
  • Use Calming Scents: Lavender, chamomile, and other soothing essential oils can create a peaceful sleep environment.
  • Minimise Light and Noise: Blackout curtains, white noise machines, or earplugs can help reduce disruptions. 


Final Thoughts 

If you’re struggling with insomnia, know that you’re not alone. Small, thoughtful changes to your sleep habits and environment can lead to better, more restorative sleep over time. Be kind to yourself and approach sleep improvements with patience—your body will thank you for it. 

If insomnia persists, consider reaching out to a therapist or sleep specialist for additional support and guidance. 

 

Author photo

Kerry Davies

About Kerry Davies, The Sleep Fixer Kerry is a seasoned sleep expert with nearly 14 years of experience dedicated to transforming sleep outcomes globally. As a certified Cognitive Behavioural Therapy for Insomnia (CBTI) therapist, she brings a wealth of expertise, including focused support for neurodivergence. Kerry’s approach spans diverse settings—from one-on-one coaching to partnerships with corporations, schools, and hotels—and she provides training and tailored strategies that benefit everyone seeking to improve their sleep. Deeply conscientious and passionate about the evolving field of sleep science, Kerry is committed to lifelong learning to deliver the most impactful solutions for her clients. She believes sleep is the cornerstone of a fulfilling life and prioritises accessible, quality sleep support, integrating affordable options that empower individuals to reclaim their rest and well-being. Driven by the conviction that better sleep leads to better lives, Kerry strives to make restorative, transformative rest achievable for everyone, regardless of background or needs.