What Not Enough Sleep Does to Your Body, Say Doctors

Eufemia Didonato

It’s understandable if you’re having trouble sleeping. With the coronavirus pandemic, who can relax during a time like this? However, not getting a good night’s sleep only makes things worse. “Sleep deprivation occurs when you consistently don’t get the recommended amount of sleep, which is 7 to 8 hours a night,” says Dr. Dearbhaile Collins. “This causes a number of physiological effects on the body”—not to mention, puts you at risk for COVID-19. Here’s what happens when you can’t sleep every night. Read on, and to ensure your health and the health of others, don’t miss these Sure Signs You’ve Already Had Coronavirus.

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“Lack of sleep can make people more prone to viral infection,” Dr. Daniel Lanzer tells us. “In these times, increasing our susceptibility to a viral infection is the last thing we want to do—particularly as a result of poor sleep habits.”

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According to Dr. Lili Barsky, another aspect of sleeping poorly is: “Poor concentration and diminished coordination—this can be especially dangerous for driving and for those who operate heavy machinery.”

“For example, a lack of sleep is a commonly cited cause of car accidents,” says Dr. Kim Langdon.

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“Poor sleep affects hormones that affect appetite,” says Dr. Barsky. “Poor sleep can lead to lower leptin and higher ghrelin levels, which in turn can result in overeating and obesity.” Obesity increases your risk of a severe case of COVID-19. 

“Just two weeks of reduced sleep can cause significant change in the ability to lose body fat and increased hunger modulated by the hunger hormone, ghrelin,” says Dr. Shadi Vahdat.

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“Inadequate sleep can reduce the body’s tolerance for glucose and lead to insulin resistance and diabetes mellitus,” a disorder in which blood sugar (glucose) levels are abnormally high because the body does not produce enough insulin to meet its needs, says Dr. Barsky.

“As a result of one night of poor sleep, we can see a significant worsening of insulin resistance in diabetic patients, which can impact their blood sugar control,” says Dr. John Martinez. 

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“Impaired sleep diminishes the body’s ability to regulate stress hormones, which can lead to poorly controlled blood pressure,” says Dr. Barsky. 

“Inadequate and disrupted sleep has been associated with activation of stress hormones in the body which in turn increase our risk for cardiovascular diseases,” says Dr. Vahdat.

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“You feel exhausted and may develop a fear of losing sleep,” says Daniel Erichsen MD. “Hyperarousal that comes along with this fear of losing sleep can produce out of body experience, jerks, twitches, and a multitude of other frightening phenomena.”

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“A lack of sleep can lead to an increase in stomach aches, headaches, and depression due to increased stimulation of the fight-or-flight nervous system,” says Leann Poston M.D.

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“Decreased sleep over the long-term is associated with increased tumor formation and may increase the risk of cancer,” says Dr. Poston. “One of the reasons for this may be because melatonin has a significant function in coordinating many aspects of cell function and tissue repair,” says Dr. Deborah Lee of Dr Fox Online Pharmacy.

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“What’s frightening is, poor sleep can even decrease our expected life-span,” says Dusan Goljic, PharmD. “As it severely limits the quality of our life.”

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“The body needs sleep to recover and normalize stress hormones,” says Andrea Paul, MD, Medical Advisor to Illuminate Labs. “So, when you consistently get poor sleep you’re going to feel more mentally stressed and on-edge.”

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“Attention and focus are also impacted with poor sleep, and people will experience trouble learning and retaining new material, or being increasingly forgetful of previously learned material,” says Alex Dimitriu, MD.

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“A lack of sleep has been linked to lower production and levels of testosterone,” says Dr. Lanzer. “Among other symptoms, low testosterone can impact sex drive, and ability to build/maintain muscle mass.”

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“People who don’t get enough sleep generally report a lower sex drive,” says David Cutler, MD. “People who experience tense tiredness are too anxious to relax,” according to WebMD. “Tension and anxiety are very basic to sexual dysfunction most of the time.”

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“As a dermatologist, I am concerned about the effects of insufficient sleep on the skin. Several studies have shown that chronic poor-quality sleep is associated with skin aging,” says Dr. Kemunto Mokaya. “The skin renews itself during sleep and repairs some of the effects of oxidative stress during sleep.”

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“Poor sleep also affects your social skills. It is associated with poorer mental health, anxiety, depression, and loneliness,” says Dr. Lee. “Poor sleep is also linked to lover academic achievements.”

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“It is well known that the amount of proper sleep is not the same for all individuals, but a minimum of about seven hours seems to be helpful on average,” says Dr. Levine. “In addition, sleeping too many hours creates daytime drowsiness.”

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“If you find yourself dealing with insomnia on a regular basis, consider learning about sleep hygiene,” says Dr. Jason Levine. Don’t use devices an hour before bed, for example. “Consider meeting with a clinical psychologist and, possibly, a psychiatrist to assess and offer proper treatment and support.” So stay healthy during this pandemic: Practice good sleep hygiene, wear a mask, avoid crowds (and bars), practice social distancing and to get through this pandemic at your healthiest, don’t miss these 37 Places You’re Most Likely to Catch Coronavirus.

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