Not sleeping well? This exercise could save your health!
Not sleeping well? This exercise could save your health!
strated the next day. Many individuals assume that the only consequence of insufficient sleep is temporary tiredness. However, according to Dr. Armor, the effects of chronic sleep disruption can reach much deeper, affecting metabolism, blood sugar regulation, cardiovascular health, and long term disease risk.
In a recent health discussion, Dr. Armor explained that while improving sleep quality remains the most important goal, some people simply cannot control their sleep schedule. Night shift workers, healthcare professionals, emergency responders, new parents, and caregivers often face unavoidable sleep disruption.
For these individuals, Dr. Armor highlighted a powerful tool that may help protect the body from some of the harmful effects of poor sleep: short bursts of high intensity exercise.
.
.
.
The Hidden Damage Caused by Poor Sleep
Many people underestimate how strongly sleep affects the body.
Dr. Armor explained that sleep is not just a period when the body rests. It is a critical recovery process where hormones are balanced, stress systems are reset, and metabolic functions are restored.
When a person repeatedly fails to get enough quality sleep, the body may begin responding as if it is under constant threat.
This stress response can create a chain reaction involving hormones, blood sugar, and inflammation.
One of the most significant effects is increased insulin resistance.
Insulin is a hormone responsible for controlling blood glucose levels. After eating carbohydrates, foods such as bread, grains, and processed foods are broken down into glucose, which enters the bloodstream.
Insulin acts like a key that allows cells to absorb glucose and use it for energy.
However, when the body becomes resistant to insulin, cells stop responding properly to that signal.
The result is that glucose remains in the bloodstream instead of moving into cells.
Over time, elevated blood sugar can damage blood vessels and increase the risk of serious health problems, including type 2 diabetes, heart disease, stroke, and kidney problems.
Dr. Armor explained that even several nights of poor sleep can begin affecting the body’s ability to regulate blood sugar.
Why Sleep Loss Creates Metabolic Stress
The connection between sleep and metabolism is closely related to the body’s stress response.
During healthy sleep, stress hormones naturally decrease.
But when sleep is shortened or disrupted, the body may interpret this as a stressful situation.
As a result, stress hormones such as cortisol and adrenaline can remain elevated.
These hormones signal the liver to release more glucose into the bloodstream, preparing the body for action.
At the same time, they can make cells less responsive to insulin.
Dr. Armor explained that this creates a difficult situation where the body is producing more blood sugar while becoming less efficient at using it.
Poor sleep can also affect appetite hormones.
People who are sleep deprived often experience stronger cravings for sugary and high calorie foods.
This creates a cycle where lack of sleep increases hunger, hunger influences food choices, and those choices further affect metabolic health.
“A tired body is a stressed body,” Dr. Armor explained, emphasizing that sleep plays a central role in keeping the body’s systems balanced.
Who Is Most at Risk?
While everyone benefits from good sleep, Dr. Armor emphasized that certain groups face greater challenges because they cannot simply choose to sleep longer.
One major group is night shift workers.
This includes:
Doctors
Nurses
Police officers
Factory workers
Emergency responders
Healthcare staff
People working overnight schedules experience changes to their natural circadian rhythm.
The human body is designed to be awake during daylight and sleep during darkness. When this pattern is repeatedly disrupted, metabolic systems can become affected.
Dr. Armor shared that his own experience with years of fixed night shifts helped him understand the challenges faced by these workers.
The issue is not a lack of discipline. For many people, their jobs and responsibilities determine when they can sleep.
New parents and caregivers can experience similar problems because frequent nighttime interruptions prevent deep, restorative sleep.
The Exercise That May Help Reverse Some Damage
Dr. Armor explained that research has shown a promising strategy for protecting the body during periods of poor sleep: high intensity interval training, often called HIIT.
HIIT involves short periods of intense exercise followed by recovery periods.
The workouts are designed to push the body close to maximum effort for brief intervals rather than requiring long training sessions.
Research has suggested that this type of exercise may improve the way the body handles glucose during periods of sleep restriction.
Dr. Armor discussed a study involving healthy adults who experienced sleep deprivation under controlled conditions.
During one situation, participants experienced sleep loss without exercise. Their blood sugar, insulin levels, and blood fats showed signs associated with metabolic stress.
However, when participants completed high intensity interval training before the sleep disruption, the negative metabolic effects were significantly reduced.
This suggests that exercise may provide a protective effect when sleep cannot be immediately improved.
Why High Intensity Exercise Works
The reason HIIT may be effective comes down to muscles.
Dr. Armor explained that muscles are one of the largest places where the body stores and uses glucose.
Normally, insulin helps move glucose from the bloodstream into muscle cells.
But during exercise, muscles have another pathway that allows them to absorb glucose without relying entirely on insulin.
This is especially important when poor sleep has already reduced insulin sensitivity.
During intense exercise, muscles act like a sponge, pulling glucose from the bloodstream and using it for energy.
This helps reduce the amount of sugar circulating in the blood.
Additionally, exercise can improve insulin sensitivity for many hours after the workout.
The benefits do not disappear immediately after the exercise session ends.
Over time, regular training can also improve cardiovascular fitness, including VO2 max, which is considered an important indicator of overall health and longevity.
How to Perform HIIT Safely
Dr. Armor explained that one advantage of HIIT is that it does not require hours in the gym.
A workout may take only 10 to 20 minutes.
Examples include:
Cycling intensely for 30 seconds followed by one or two minutes of easy recovery
Short sprints followed by rest
Fast uphill walking
Rowing intervals
Running up stairs
The goal is to reach a high level of effort during the intense intervals.
A person should feel significantly challenged and breathe heavily during the hard portions.
However, Dr. Armor emphasized that people should adjust intensity based on their health status.
Older adults, beginners, and individuals with heart conditions or other medical concerns should consult a healthcare professional before starting intense exercise.
The goal is protection, not injury.
A Practical Solution for Busy Lives
One of the most important messages from Dr. Armor is that exercise can be adapted to difficult schedules.
A nurse finishing a night shift, a doctor working long hours, or a parent caring for a newborn may not have an hour available for exercise.
But many people can find 10 to 20 minutes.
The workout can happen:
Before a work shift
After finishing work
During a break
While a child is sleeping
Dr. Armor explained that even two or three sessions per week may provide meaningful benefits for people who are currently inactive.
Exercise Is Not a Replacement for Sleep
Although exercise can help reduce some damage caused by poor sleep, Dr. Armor emphasized that it is not a replacement for proper rest.
Sleep remains the foundation of health.
People should still work toward improving sleep habits whenever possible.
Helpful strategies include:
Keeping the bedroom dark and cool
Avoiding screens before bedtime
Limiting caffeine late in the day
Reducing alcohol intake
Maintaining consistent sleep and wake times
However, Dr. Armor acknowledged that these recommendations are not always realistic for everyone.
For some people, the problem is not poor habits. The problem is life circumstances.
That is why having a protective strategy like exercise can be valuable.
Final Message From Dr. Armor
Not everyone has complete control over their sleep schedule.
A healthcare worker cannot always choose when an emergency happens. A parent cannot always choose when a baby wakes up. A night worker cannot always change their shift.
But Dr. Armor emphasizes that people are not powerless.
Short, intense exercise sessions may provide the body with a powerful defense against some of the metabolic effects associated with sleep disruption.
The message is not that exercise can erase years of poor sleep.
Instead, it is that the body has the ability to adapt and protect itself when given the right signals.
For anyone struggling with insufficient sleep, starting with a simple habit, such as a short high intensity workout a few times each week, may be one important step toward protecting long term health.