Insomnia Symptoms – Understanding the Causes, Types, and Treatment

Insomnia is a common sleep disorder that affects millions of people worldwide. It is characterized by difficulty falling asleep, staying asleep, or waking up too early and not being able to fall back asleep. Insomnia symptoms can cause significant distress, affecting an individual’s quality of life, productivity, and overall health.

Causes of Insomnia

Insomnia can result from a variety of factors, including medical, psychiatric, and lifestyle factors. Some of the most common causes include:

  • Stress: High levels of stress and anxiety can make it difficult to fall asleep or stay asleep.
  • Medical conditions: Chronic pain, acid reflux, asthma, and other medical conditions can disrupt sleep.
  • Psychiatric disorders: Depression, bipolar disorder, and post-traumatic stress disorder (PTSD) can lead to insomnia.
  • Substance abuse: Alcohol, cigarettes, and caffeine can interfere with sleep patterns and cause insomnia.
  • Environmental factors: Noise pollution, temperature, and light exposure can make it difficult to sleep.
  • Shift work: People who work night shifts or rotating shifts often have trouble getting adequate sleep, which can lead to insomnia symptoms.

Types of Insomnia

Insomnia is classified based on its duration and cause. There are two main types of insomnia:

Acute Insomnia

Acute insomnia, also known as short-term insomnia, lasts for a few days to a few weeks. It is usually caused by a stressful life event, such as a job loss, relationship problems, or the death of a loved one.

Chronic Insomnia

Chronic insomnia, also known as long-term insomnia, lasts for a month or longer. It is often a symptom of an underlying medical condition or psychiatric disorder, and it can also result from poor sleep habits or other lifestyle factors.

Symptoms of Insomnia

The most common symptoms of insomnia include:

  • Trouble falling asleep
  • Waking up frequently during the night
  • Waking up too early and not being able to fall back asleep
  • Feeling tired or irritable during the day
  • Difficulty concentrating or remembering things
  • Depression or anxiety

Diagnosis of Insomnia

If you have difficulty sleeping for more than a few nights a week for several weeks, it is important to see a healthcare professional. A doctor or psychologist can help diagnose insomnia and rule out any underlying medical or psychological conditions that may be causing your symptoms.

During a diagnosis, the healthcare professional may ask you to keep a sleep diary to help identify patterns in your sleep and may conduct a physical exam to rule out any underlying medical conditions.

Treatment of Insomnia

There are several treatments available for insomnia, including lifestyle changes, medications, and cognitive-behavioral therapy (CBT).

Lifestyle Changes

Simple lifestyle changes can often improve insomnia symptoms, such as:

  • Establishing a consistent sleep schedule and bedtime routine
  • Avoiding caffeine, nicotine, and alcohol before bed
  • Exercising regularly
  • Making your sleeping environment comfortable – cool, dark, and quiet
  • Avoiding electronics and screens before bed


Prescription sleeping pills can be used to treat insomnia, although they can have side effects and should be used with caution. Over-the-counter sleep aids are not recommended as they are often ineffective and can cause dependence.

Cognitive-Behavioral Therapy (CBT)

CBT is a type of therapy that focuses on changing negative thoughts and behaviors around sleep. This therapy aims to teach individuals healthy sleep habits and relaxation techniques to improve their sleep quality.

Final Thoughts

Insomnia is a common sleep disorder that affects millions of people worldwide. It can be caused by a variety of factors, including lifestyle and medical issues. If you are experiencing insomnia symptoms, it is important to see a healthcare professional to diagnose any underlying medical or psychiatric conditions and to develop an appropriate treatment plan to improve your sleep quality and overall health.


What are the most common symptoms of insomnia?

Insomnia symptoms vary from person to person but the most common ones include difficulty falling asleep, staying asleep, waking up too early, restless sleep, and feeling tired or cranky during the day. Anxiety, stress, depression, and other medical conditions may contribute to the development of insomnia symptoms.

How can insomnia symptoms be treated?

Insomnia symptoms can be treated through both medical and non-medical approaches. Non-medical approaches may include lifestyle and dietary changes, establishing a regular sleep pattern, practicing relaxation techniques, and avoiding caffeine and nicotine close to bedtime. Medical treatments for insomnia symptoms include prescription medications and over-the-counter sleep aids.

When should I seek medical attention for insomnia symptoms?

If insomnia symptoms persist and affect your ability to function during the daytime, it is recommended to seek medical attention. A doctor or sleep specialist can perform a comprehensive evaluation to diagnose the underlying cause of insomnia and recommend an appropriate treatment plan. Other symptoms that may warrant medical attention include loud snoring or gasping for air during sleep.


1. Fernandez-Mendoza, J., Vgontzas, A. N., Liao, D., & Bixler, E. O. (2012). Insomnia symptoms and mortality: a window to future cardiovascular disease. Sleep Medicine, 13(8), 1006-1011. doi:10.1016/j.sleep.2012.05.016

2. Buysse, D. J. (2014). Insomnia. JAMA, 311(5), 491-499. doi:10.1001/jama.2013.285587

3. Roth, T., Coulouvrat, C., Hajak, G., Lakoma, M. D., Sampson, N. A., Shahly, V., … & Walsh, J. K. (2011). Prevalence and perceived health associated with insomnia based on DSM-IV-TR; International Statistical Classification of Diseases and Related Health Problems, Tenth Revision; and Research Diagnostic Criteria/International Classification of Sleep Disorders, Second Edition criteria. Sleep, 34(5), 633-640. doi:10.5665/SLEEP.1052