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Sleep Stages and Sleep Deprivation (Part 2)

Steven Spainhower | 30 May, 2023

Sleep deprivation can happen to individuals of all ages. It occurs when a person does not get enough sleep, which impacts various aspects of their life, including productivity and cognitive function, and can even cause serious health problems. Several factors can contribute to sleep deprivation, including medical disorders such as obstructive sleep disorder (OSA).

OSA is a type of sleep disorder characterized by snoring, frequently interrupted breathing during sleep, and disrupted sleep. People with OSA may experience chronic fatigue during the day due to a lack of quality sleep at night. The condition is usually caused by obesity, enlarged tonsils or adenoids, and a narrow airway.


Snoring often accompanies OSA, but it can also occur in healthy individuals who are sleep-deprived. Snoring is caused by a partial blockage of the airway when the muscles in the throat relax during sleep. Sleeping on the back, smoking, and drinking alcohol before bed can worsen snoring.


Sleep interruption, whether it be from OSA or other issues, can lead to a host of health problems. The immune system is typically not as effective when a person does not get enough sleep. Studies have shown that lack of sleep can increase inflammation in the body and negatively impact the immune system's ability to fight off infections, making individuals more susceptible to illness, such as respiratory infections. After a late night out, the next day’s runny nose and other symptoms of the “common cold” are frequent reminders of acute sleep deprivation.  Chronic sleep deprivation can elicit an overreaction of the immune system, possibly leading to an auto-immune disorder.  Additionally, individuals who do not get enough sleep may have a higher risk of developing conditions such as diabetes, high blood pressure, and heart disease.


The impact of sleep deprivation extends beyond physical health. Quality of life when awake can also be affected by a lack of sleep. Individuals may experience mood swings, irritability, and difficulty with problem-solving and decision-making. They may also have trouble focusing, remembering information, and staying alert during the day.

Circadian rhythms, the body's natural sleep-wake cycle, can also be disrupted by sleep deprivation. The body produces melatonin, a hormone that regulates sleep and wakefulness, in response to natural light cycles. When individuals do not get enough sleep, their bodies may struggle to sync up with natural light patterns, which can cause further sleep issues. This is why it's essential to establish a consistent sleep schedule and avoid electronic devices before bed.


In conclusion, sleep deprivation can have adverse effects on both physical and mental health. It's essential to seek medical attention if snoring or sleep apnea is causing problems. Often, an over-the-counter mouth device, designed to open the airway for freer breathing can be a big help.  Additionally, practicing good sleep hygiene, such as establishing a regular sleep schedule, avoiding alcohol before bedtime, and creating a relaxing sleep environment, can help promote healthy sleep and prevent sleep deprivation. The four keys to good sleep are “Cool, Quiet, Dark, and Routine.”  By taking steps to ensure adequate sleep, individuals can enhance their quality of life and overall health.