7 Signs You Have Sleep Deprivation (And How to Fix It)

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“Sleep deprivation is increasingly recognized as important concern of public health, with sleep insufficiency linked to motor vehicle crashes, industrial disasters, and medical and other occupational errors.” – Centers for Disease Control and Prevention

Yes, sleep deprivation is a public health concern. No, sleep deprivation is not an exaggeratory term. Millions of people are deprived of sleep – sometimes over a period of years. Sleep deprivation is a common problem and, ironically, an inconspicuous one. In fact, the very people who suffer from the condition often aren’t aware.

Per WebMD:

“There are many causes of sleep deprivation. The stressors of daily life may intrude upon our ability to sleep well, or perhaps we trade sleep for more work or play. We may have medical or mental-health conditions that disrupt our sleep.”

In other words, because of the demands placed on our time, we’re forced to “trade” sleep for either more work or a bit of recreation.

Dr. Michael Breus adds, “Not sleeping enough and not sleeping well is not OK. As a matter of fact, there is quite a price to pay.”

Not sleeping enough can:

– Negatively affect physical and mental health

– Lower productivity and quality of work

– Put your safety at risk, e.g., driving a vehicle while tired.

So, we’re here to help.

We are going to discuss seven common signs of sleep deprivation – and how you can improve your sleeping habits. We’ll elaborate on how a lack of sleep negatively affects our brain, immune system, hormones, heart, muscles, vision, and even our appetite.

Let’s get it!

Here’S How Sleep Deprivation Harms Our…

1. Brain

Our brain is, of course, dependent upon a good night’s rest. Acute or chronic sleep deprivation can result in mood swings, poor stress management, difficulty concentrating and making decisions, and poor memory.

2. Immune System

Our body’s main line of defense is the immune system – and we diminish its effectiveness by not getting proper rest. Getting less than six hours of sleep (which is considered the minimum amount needed to function) weakens our immune system; increasing our susceptibility to infectious diseases.

3. Hormones

Sleep deprivation throws a wrench into our endocrine system, “the collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, and mood.” More on this in the closing section.

4. Heart

Poor sleep places stress upon our cardiovascular system, which, in turn, destabilizes our blood pressure. When our blood pressure is out of whack, the blood vessels responsible for carrying blood (hence, nutrients, oxygen, etc.) become narrower. Consequently, our brain doesn’t receive the blood flow and oxygen it needs; our digestive system is stunted, and the organs and systems that rely on a steady flow of blood are deprived.

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5. Muscles

Poor coordination and muscle weakness are common symptoms of lack of sleep. These symptoms are exacerbated by the fact that our brain hasn’t received the rest it needs. Thus, our reactions times slow, we’re not as coordinated, and simple tasks become much more challenging.

6. Vision

Aside from the brain, our eyes are the organs likely to suffer the most from sleep deprivation. Vision problems include “a range of symptoms such as fuzziness of objects, reduced peripheral vision and a difficulty with quickly focusing on objects of varying distances.” Furthermore, the appearance of our eyes can indicate a shortage of sleep. Darkening around and bags underneath the eyes are commonplace when we skimp on our shuteye.

7. Appetite

Poor sleeping habits also affect how we eat. Some people feel less hungry; others eat more. The latter demographic often crave simple carbohydrates, e.g., sugar-laden foods and drinks, and caffeine. Unfortunately, these foods and beverages provide only a short-term energy burst – and are often followed by a crash.

Metabolic changes, coupled with decreased physical activity from fatigue and disturbances in the hormonal system, are cited as contributing factors to obesity.

How to get a good night’s sleep

First, we need to define what constitutes a “good night’s sleep.” Per the National Sleep Foundation (NSF), a non-profit organization that promotes public understanding of sleep and sleep disorders, quality sleep consists of four “key determinants”:

– Sleeping more while in bed (at least 85 percent of the total time)

– Falling asleep in 30 minutes or less

– Waking up no more than once per night; and

– Being awake for 20 minutes or less after initially falling asleep.

Then, there is the recommended amount of sleep:

Older adults (65+): 7-8 hours

Adults (26-64): 7-9 hours

Younger adults (18-25): 7-9 hours

Teenagers (14-17): 8-10 hours

School age children (6-13): 9-11 hours

Finally, there’s practicing good sleep hygiene:

– Sticking to a sleep schedule; going to bed and waking up at the same time every day (weekends included)

– Having a relaxing bedtime ritual

– Avoiding afternoon naps (if you have a hard time falling asleep at night)

– Exercising daily (light activity is good, but the harder, the better)

– Sleeping in comfortable conditions (e.g. room temperature, noise-free, distraction-free, and minimal light); and

– Sleeping on a comfortable mattress and pillows


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