Sleep is not a luxury. It is a biological necessity. During sleep, the body repairs tissue, consolidates memory, regulates hormones, clears metabolic waste from the brain, and resets the immune system. When sleep is consistently disrupted, every system in the body suffers. Metabolism slows. Inflammation rises. Hormones fall out of balance. Cognitive function declines. Mood deteriorates. And the risk of serious chronic disease, from heart disease and diabetes to depression and dementia, increases significantly.
An estimated 50 to 70 million American adults have a sleep disorder, and one in three adults does not regularly get the recommended seven or more hours of sleep. Yet despite how common and how consequential sleep problems are, they are among the most underdiagnosed and undertreated conditions in medicine. At Vitality Family Health in Oak Brook, IL, we take sleep seriously. We do not hand you a sleeping pill and send you home. We investigate why you are not sleeping, identify the metabolic, hormonal, neurological, and lifestyle factors that are driving the problem, and build a plan that addresses the root cause so you can finally get the restorative sleep your body needs.
Sleep disorders encompass a broad range of conditions that disrupt the ability to fall asleep, stay asleep, or achieve restorative sleep. The most common sleep disorders include insomnia (difficulty falling or staying asleep), obstructive sleep apnea (repeated breathing interruptions during sleep), circadian rhythm disorders (misalignment between the body’s internal clock and the external environment), restless legs syndrome (an uncomfortable urge to move the legs, especially at night), and hypersomnia (excessive daytime sleepiness despite adequate sleep time).
Insomnia alone affects roughly 30 to 50 percent of adults at some point, with 10 to 15 percent experiencing chronic insomnia (symptoms occurring at least three nights per week for three months or longer). A 2025 meta-analysis of 47 studies estimated the global prevalence of insomnia disorder at 12 to 16 percent of the general adult population. Obstructive sleep apnea affects an estimated 39 million American adults, with 80 to 90 percent of cases remaining undiagnosed. Women are twice as likely as men to experience insomnia, and sleep disorders affect 39 to 60 percent of perimenopausal and postmenopausal women.
Do you lie awake for 30 minutes or more trying to fall asleep, night after night?
Do you wake up in the middle of the night and struggle to get back to sleep, often with a racing mind or a sense of being “wired”?
Are you sleeping seven or eight hours but still waking up exhausted, as if you never actually rested?
Has your partner told you that you snore heavily, gasp, or stop breathing during sleep?
Have you been given a sleeping pill or told to “reduce stress” without anyone investigating why your sleep is broken in the first place?
The hypothalamic-pituitary-adrenal (HPA) axis governs the body’s stress response and plays a central role in regulating the sleep-wake cycle. Under normal conditions, cortisol follows a predictable daily rhythm: it peaks in the early morning to promote wakefulness and alertness, then gradually declines throughout the day, reaching its lowest levels in the evening as melatonin rises to promote sleep. When the HPA axis is dysregulated, often from chronic stress, this rhythm breaks down. Cortisol may remain elevated in the evening (causing difficulty falling asleep and a “wired but tired” feeling), spike in the middle of the night (causing 2 to 4 a.m. awakenings), or crash in the morning (causing extreme difficulty waking up and persistent morning fatigue).
Research has shown that individuals with chronic insomnia tend to have significantly higher 24-hour plasma levels of both ACTH and cortisol compared to healthy sleepers, confirming the link between HPA axis hyperactivation and disrupted sleep. This is why stress management alone often falls short: the HPA axis may have become chronically dysregulated and require targeted intervention to restore a healthy cortisol rhythm.
Sex hormones have a profound influence on sleep quality. Estrogen supports serotonin production (the precursor to melatonin) and helps regulate body temperature during sleep. Progesterone has natural sedative properties and promotes deeper, more restorative sleep. When these hormones decline or fluctuate, as they do during perimenopause, menopause, and in conditions like PCOS or hypothalamic amenorrhea, sleep quality often deteriorates sharply. Sleep disorders affect 39 to 47 percent of perimenopausal women and 35 to 60 percent of postmenopausal women. Up to 90 percent of women with severe sleep apnea remain undiagnosed because their symptoms present differently than in men.
In men, declining testosterone is associated with increased sleep fragmentation, reduced slow-wave sleep, and a higher prevalence of obstructive sleep apnea. Thyroid dysfunction, particularly hypothyroidism and Hashimoto’s, can cause both insomnia and hypersomnia, as thyroid hormones directly regulate metabolic rate, body temperature, and neurotransmitter production, all of which affect sleep architecture.
A rapidly growing body of research has established a bidirectional relationship between the gut microbiome and sleep. The gut produces roughly 90 percent of the body’s serotonin, which is the direct precursor to melatonin, the hormone that initiates and maintains sleep. Gut bacteria also produce gamma-aminobutyric acid (GABA), the brain’s primary inhibitory neurotransmitter, which promotes relaxation and sleep onset. Short-chain fatty acids (SCFAs) produced by beneficial gut bacteria can cross the blood-brain barrier and enhance GABA synthesis, directly supporting sleep quality.
A 2025 review published in Brain Medicine found that patients with chronic insomnia consistently show decreased microbial diversity and altered abundances of specific bacterial families compared to healthy controls. Gut dysbiosis can activate the HPA axis through microbial antigens and inflammatory mediators, elevating cortisol and disrupting the sleep-wake cycle. At the same time, poor sleep itself worsens gut dysbiosis, creating a self-reinforcing cycle. Microbiota-targeted interventions, including probiotics, prebiotics, and dietary modifications, have shown promising results in clinical trials for improving sleep quality, representing a novel and evidence-based approach to sleep support.
Blood sugar instability is one of the most common and least recognized drivers of middle-of-the-night awakenings. When blood sugar drops during the night (nocturnal hypoglycemia), the body responds by releasing cortisol and adrenaline to mobilize glucose from the liver. This stress hormone surge wakes you up, often with a racing heart, anxiety, or a sense of alertness that makes it nearly impossible to fall back asleep. Insulin resistance, which affects an estimated 40 percent of adults aged 18 to 44, compounds this problem by impairing the body’s ability to maintain stable glucose levels overnight.
Several critical nutrients directly impact sleep quality. Magnesium activates the parasympathetic nervous system and helps regulate melatonin production; deficiency is associated with insomnia, restless legs syndrome, and poor sleep quality. Vitamin D receptors are found in brain regions that regulate sleep, and deficiency has been linked to shorter sleep duration and more fragmented sleep. Iron deficiency is the primary cause of restless legs syndrome, which disrupts sleep onset and quality. B vitamins (particularly B6 and B12) are involved in serotonin and melatonin synthesis. These deficiencies are extremely common and rarely tested during a standard evaluation of sleep complaints.
Elevated levels of pro-inflammatory cytokines (IL-6, TNF-alpha) are consistently associated with sleep disruption. Chronic inflammation, whether driven by gut dysbiosis, autoimmune activation, metabolic dysfunction, or environmental exposures, can alter sleep architecture, reduce slow-wave sleep, and increase daytime fatigue. The relationship is bidirectional: poor sleep increases inflammation, and increased inflammation worsens sleep, creating another self-perpetuating cycle.
The physical symptoms of disrupted sleep extend far beyond tiredness. They include persistent daytime fatigue and low energy, difficulty concentrating and poor memory (often described as brain fog), irritability, mood swings, anxiety, and depression, weight gain or difficulty losing weight (sleep deprivation increases ghrelin and decreases leptin, disrupting hunger regulation), elevated blood pressure, increased susceptibility to illness (impaired immune function), headaches (particularly morning headaches, which can indicate sleep apnea), and sexual dysfunction or low libido.
Symptoms specific to sleep apnea include loud snoring, witnessed pauses in breathing during sleep, gasping or choking upon waking, dry mouth or sore throat in the morning, and excessive daytime sleepiness even after a full night in bed. Symptoms specific to insomnia include difficulty falling asleep despite feeling tired, waking during the night and being unable to return to sleep, waking too early in the morning, and feeling unrested regardless of time spent in bed.
Several factors increase the risk of sleep disorders. Women are twice as likely as men to experience insomnia, and the risk increases significantly during perimenopause and menopause. Age is a factor, with up to 75 percent of older adults experiencing insomnia symptoms. Chronic stress, anxiety, and depression are strongly associated with disrupted sleep. Medical conditions including thyroid dysfunction, chronic pain, GERD, asthma, and autoimmune conditions can all impair sleep. Hormonal imbalances (declining estrogen, progesterone, testosterone, and cortisol dysregulation) directly affect sleep architecture. Blood sugar instability and insulin resistance contribute to nocturnal awakenings. Nutrient deficiencies (magnesium, vitamin D, iron, B vitamins) impair sleep regulation. Gut dysbiosis and chronic inflammation disrupt the neurotransmitter and hormonal pathways that govern sleep. Lifestyle factors including shift work, excessive screen time, irregular schedules, caffeine, and alcohol all play a role.
At Vitality Family Health, we treat sleep disorders the same way we treat every condition: by looking for the underlying cause, not just the surface symptom.
We begin with a thorough evaluation that may include a full thyroid panel (TSH, free T4, free T3, thyroid antibodies), hormone assessment (estradiol, progesterone, testosterone, DHEA-S, cortisol patterns), HPA axis testing (diurnal cortisol mapping to evaluate your stress response rhythm), metabolic markers (fasting insulin, glucose, A1c), nutritional testing (magnesium, vitamin D, iron/ferritin, B12, folate), inflammatory markers (hs-CRP, ESR), and comprehensive stool analysis (when gut health is suspected as a contributing factor). If sleep apnea is suspected, we can coordinate a sleep study referral.
If cortisol dysregulation is identified, we develop a targeted plan to restore a healthy cortisol rhythm. This may include adaptogenic herbs (ashwagandha, rhodiola, phosphatidylserine), stress reduction practices, sleep-wake schedule optimization, and targeted supplementation. For many patients, this is the single most impactful intervention for restoring sleep.
For women in perimenopause or menopause whose sleep is disrupted by hormonal shifts, restoring hormonal balance can dramatically improve sleep quality. This may involve bioidentical hormone replacement therapy (BHRT), progesterone supplementation (which has natural sleep-promoting properties), or other targeted hormonal support. For men with declining testosterone, optimization can improve sleep architecture and reduce apnea risk.
Given the strong gut-sleep connection, gut assessment is often a foundational part of our sleep evaluation. This may include comprehensive stool testing, food sensitivity panels, and targeted protocols to restore microbial balance, support serotonin and melatonin production, reduce systemic inflammation, and calm the HPA axis through the gut-brain axis.
We identify and correct nutrient deficiencies that directly impact sleep (magnesium, vitamin D, iron, B vitamins) and work with you on dietary strategies to stabilize blood sugar overnight, reducing the cortisol and adrenaline surges that cause nocturnal awakenings. An anti-inflammatory eating plan supports both gut health and systemic inflammation reduction.
We provide personalized guidance on sleep hygiene, including optimizing your sleep environment (temperature, light, noise), establishing a consistent sleep-wake schedule, timing and limiting caffeine and alcohol, developing a calming bedtime routine, managing screen exposure and blue light in the evening, and incorporating movement and exercise at appropriate times of day. These strategies are most effective when combined with the biological interventions above, because they work best when the underlying drivers of sleep disruption have been addressed.
If your symptoms suggest obstructive sleep apnea (snoring, witnessed breathing pauses, excessive daytime sleepiness, morning headaches), we can coordinate a sleep study and work with you on treatment options, which may include CPAP therapy, oral appliance referral, weight management, and positional therapy. We also evaluate the metabolic and hormonal factors that contribute to apnea risk.
Our goal is to help you achieve restorative, consistent sleep through a comprehensive, root-cause approach. Most sleep disorders are not medical emergencies, but certain symptoms require prompt attention. Seek immediate medical care if you experience choking, gasping, or cessation of breathing during sleep (especially if witnessed by a partner), chest pain associated with sleep disturbance, sudden onset of severe insomnia with confusion or disorientation, or thoughts of self-harm related to sleep deprivation and mood changes.
If you are currently taking sleep medications, do not stop them abruptly without consulting your provider, as some medications require gradual tapering. If you are pregnant or breastfeeding and experiencing sleep difficulties, let us know so we can adjust recommendations accordingly. We always coordinate with your existing providers to ensure safe, integrated care.
No. Sleep medications can have a role in short-term management, but they are not our first-line approach and they are not a long-term solution for most patients. Our goal is to identify and treat the root cause of your sleep disruption so that your body can produce restorative sleep on its own. This may involve hormonal optimization, cortisol restoration, gut health support, nutritional correction, blood sugar stabilization, and behavioral strategies, all of which address the underlying problem rather than masking the symptom.
Yes. Hormonal shifts are one of the most powerful and most overlooked drivers of sleep disruption, particularly in women. Declining estrogen and progesterone during perimenopause and menopause directly impair sleep onset, sleep maintenance, and sleep quality. Up to 60 percent of postmenopausal women report sleep disturbances. Restoring hormonal balance, whether through BHRT, progesterone supplementation, or other targeted support, can produce dramatic improvements in sleep for these patients.
More than most people realize. The gut produces roughly 90 percent of the body’s serotonin, which is the precursor to melatonin. Gut bacteria also produce GABA, the brain’s primary calming neurotransmitter. When the gut microbiome is disrupted, production of these sleep-critical compounds is impaired, systemic inflammation rises, and the HPA axis (stress response system) can become overactivated, all of which disrupt sleep. Clinical trials have shown that microbiota-targeted interventions can improve sleep quality.
Middle-of-the-night awakenings are often driven by blood sugar instability, cortisol surges, or both. When blood sugar drops during the night, the body releases cortisol and adrenaline to mobilize glucose, which wakes you up with a sense of alertness, anxiety, or a racing heart. Cortisol dysregulation from chronic stress can produce similar patterns. We evaluate both blood sugar regulation and HPA axis function to identify and address the specific cause.
We evaluate patients for suspected sleep apnea based on symptoms and risk factors and can coordinate a formal sleep study for diagnosis. If sleep apnea is confirmed, we discuss treatment options including CPAP, oral appliances, weight management, and positional therapy, and we evaluate the metabolic and hormonal factors that may be contributing to the condition.
It depends on the underlying cause. Some patients experience noticeable improvement within days to weeks, particularly when cortisol dysregulation, blood sugar instability, or a nutrient deficiency is identified and addressed. Hormonal optimization and gut health restoration may take several weeks to produce their full effect. We monitor your progress closely and adjust the plan as your body responds.
Yes. Much of the evaluation, lab result review, and treatment planning for sleep disorders can be conducted via telehealth for patients anywhere in the state of Illinois. Certain components, such as a physical exam or blood draw, may require an in-person visit at our Oak Brook office.
The discovery consult is a brief, no-pressure conversation where you can share what you have been experiencing with your sleep, ask questions about our approach, and find out whether Vitality Family Health is the right fit. We will listen, discuss your situation, and outline what a comprehensive evaluation might look like. There is no cost and no obligation.
You may also want to read about Thyroid Imbalances, Chronic Fatigue, Autoimmune Diseases, Chronic Inflammation, and Hormone Optimization, since these areas often overlap with cardiometabolic health and day-to-day recovery.
Medically Reviewed By: Dr Kori Feldman, M.D.
Vitality Family Health & Wellness Partners is located in Oak Brook, Illinois, and serves patients throughout the Greater Chicagoland Area and the entire state of Illinois. These areas include but are not limited to the downtown Chicago area, surrounding suburbs, central, northern, and southern Illinois, and southern Wisconsin and Northwest Indiana.