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Insomnia in Older Adults: Causes, Evaluation, and Safer Treatment

Learn how insomnia differs from normal sleep changes with age, what can cause it, and how older adults can find effective treatment with fewer safety risks.

Woman Lying in Bed with Alarm Clock

The short version

  • Sleep can become lighter and shift earlier with age, but persistent insomnia is not an inevitable part of aging.
  • Chronic insomnia means ongoing trouble sleeping despite adequate opportunity, together with daytime effects; medical conditions, sleep disorders, medicines, mood, and schedule all need consideration.
  • CBT-I is the first-choice treatment, with its techniques and any medication plan adapted for fall risk, other health conditions, and current medicines.

Sleep commonly becomes lighter, more fragmented, and earlier in timing as people age. Those changes do not mean an older adult needs less sleep, and they do not make persistent insomnia normal or inevitable. Health conditions, other sleep disorders, medicines, mood, caregiving demands, and changes in routine often matter more than age alone 1.

Insomnia is difficulty falling asleep, staying asleep, or returning to sleep after waking too early, even though there is adequate time and a suitable setting for sleep. It also causes a daytime problem, such as fatigue, poor concentration, irritability, or reduced function. Chronic insomnia occurs at least three nights a week for at least three months 2.

What changes with age, and what does not

Compared with younger adults, many older adults become sleepy and wake earlier. They may spend less time in deep sleep, wake more often, and take longer to return to sleep. These changes can make sleep feel less solid. They do not, by themselves, establish an insomnia diagnosis 1.

The distinction matters because trying to force an age-related timing shift into a later schedule may not solve the problem. An older adult who sleeps well from 8 p.m. to 4 a.m. may have an earlier body clock rather than insomnia. Someone who wants to sleep at midnight but rises at 5 a.m. for caregiving may simply lack enough sleep opportunity.

Is it insomnia or another sleep problem?

Several problems can look like insomnia but require a different response.

Pattern What points toward it
Chronic insomnia Persistent trouble sleeping despite adequate opportunity, plus daytime effects
Advanced sleep timing Sleepiness and waking occur earlier than desired, but sleep may be sound when the person follows that earlier schedule
Insufficient sleep opportunity Bedtime, caregiving, work, pain care, or another demand does not leave enough time for sleep
Excessive sleepiness Unplanned dozing or an irresistible need to sleep is more prominent than difficulty sleeping
Delirium Confusion or a marked change in attention appears suddenly and may fluctuate over hours
Dementia-related sleep change A gradual change in sleep timing, nighttime activity, or daytime sleeping occurs alongside cognitive impairment
Another sleep disorder Snoring, breathing pauses, uncomfortable leg urges, or dream-enactment behaviors suggest a disorder that needs its own evaluation

Advanced sleep-wake phase disorder is not simply an early preference. It causes a recurring early sleep and wake schedule that conflicts with the person's needs. Treatment may include strategically timed light, but the useful timing depends on the direction of the body-clock shift. Morning light is not a universal insomnia treatment 3.

Excessive sleepiness also deserves separate attention. It can accompany insomnia, but it may point to sleep apnea, a medicine effect, a neurologic condition, or too little sleep. A person who is struggling to stay awake should not drive 4.

Sudden, fluctuating confusion is not ordinary insomnia or a routine dementia change. Delirium can be triggered by infection, a medication, dehydration, surgery, or another acute illness and needs prompt medical assessment 5.

What can cause insomnia in an older adult?

Insomnia in later life is often multifactorial. A useful assessment looks for several contributors instead of stopping at age or “poor sleep habits.”

Physical symptoms and health conditions

Pain from arthritis, neuropathy, an injury, or another condition can repeatedly interrupt sleep. So can breathlessness, reflux, itching, hot flashes, coughing, or a need to urinate 6.

Nocturia can reflect bladder disease, prostate symptoms, diabetes, sleep apnea, leg swelling, medication timing, or excessive urine production at night. A bladder and fluid diary can help a clinician see the pattern. Broad advice to severely restrict fluids can be unsafe, so changes should preserve adequate daytime hydration and account for the person's medical conditions 7.

Other sleep disorders

Loud snoring, witnessed breathing pauses, gasping, morning headaches, or marked sleepiness may indicate obstructive sleep apnea. Insomnia and sleep apnea can occur together, and treating only one may leave the other unresolved 2.

Restless legs syndrome causes an urge to move the legs, usually with unpleasant sensations that begin or worsen during rest and improve with movement. Symptoms are usually worse in the evening or at night. Current guidance recommends checking iron studies in clinically significant cases and reviewing factors that can worsen symptoms, including alcohol, caffeine, certain medicines, and untreated sleep apnea. Iron supplements should not be started solely on symptoms because treatment thresholds and formulations differ from routine anemia care 8.

Talking during sleep is common and is not automatically dangerous. Punching, kicking, jumping from bed, or acting out vivid dreams can suggest REM sleep behavior disorder. It can injure the sleeper or a bed partner and warrants clinical assessment. Removing weapons and sharp objects, padding nearby furniture, and reducing the risk of falling from the bed are immediate safety steps while the cause is evaluated 9.

Mood, grief, and neurologic change

Depression and anxiety can disturb sleep, and insomnia can worsen both. Grief, loneliness, fear of falling, and worries about health or caregiving may also keep the mind alert at night 6. A new period of very little need for sleep with unusually elevated or irritable mood, racing thoughts, impulsive behavior, or hallucinations is different from insomnia and may signal mania or another urgent mental health problem 10.

Stroke, Parkinson disease, dementia, and other neurologic conditions can alter sleep timing or nighttime behavior. A gradual pattern still deserves assessment, but an abrupt change should be treated as a possible acute illness rather than assumed to be dementia 65.

Schedule, environment, and life changes

Retirement may remove the fixed wake time, activity, daylight exposure, and social cues that helped organize sleep. Caregiving can fragment both the caregiver's sleep and the care recipient's sleep. Noise, an uncomfortable room, nighttime care tasks, or fear of walking to the bathroom can keep a person alert 6.

Alcohol, caffeine, nicotine, and cannabis

Caffeine can still affect sleep when it is taken hours before bed, but the relevant cutoff differs by person. Nicotine is stimulating. Alcohol may make sleep begin sooner yet disrupt sleep later in the night, and it adds to the sedating effects of many medicines. Cannabis products are not recommended as a treatment for chronic insomnia in the current VA and Department of Defense guideline 62.

Medicines and polypharmacy

A complete medication review should include prescriptions, over-the-counter products, supplements, as-needed drugs, and the time each one is taken. Stimulants, corticosteroids, some decongestants, bronchodilators, diuretics, and some antidepressants can interfere with sleep. Other products can cause daytime sedation that leads to napping, inactivity, falls, and a weaker drive to sleep at night 611.

The answer is not always to stop a medicine. Its purpose, dose, timing, interactions, kidney and liver function, and withdrawal risks all matter. Bring the bottles or an accurate list to a prescriber or pharmacist. Do not make an abrupt change to a regularly used sedative, antidepressant, or anti-anxiety medicine without the prescriber's guidance 1213.

How clinicians evaluate insomnia in older adults

Insomnia is usually diagnosed from a careful history rather than a single laboratory or sleep test. A clinician may ask about the sleep schedule, daytime function, naps, nighttime symptoms, mood, pain, substance use, falls, and the sleep environment. A one- to two-week sleep diary can reveal whether the main issue is timing, inadequate opportunity, frequent awakenings, or variable routines. A caregiver or bed partner may notice breathing pauses, dream enactment, confusion, or medication effects that the sleeper does not recall 26.

Testing should answer a specific question. A home sleep apnea test may be appropriate for some people when uncomplicated apnea is suspected. An overnight laboratory sleep study may be more appropriate when another sleep disorder is possible or when major medical conditions, substantial insomnia, or physical, sensory, or cognitive limitations make home testing unreliable. Targeted blood tests may be useful when symptoms suggest iron deficiency, thyroid disease, or another medical contributor. Routine testing is not required to diagnose uncomplicated chronic insomnia 26.

CBT-I is the first-choice treatment

Cognitive behavioral therapy for insomnia, or CBT-I, is the leading treatment for chronic insomnia, including in older adults. It treats the patterns that keep insomnia going instead of only producing sedation. Current guidelines recommend CBT-I before medication for most people 214.

A full course usually combines several methods:

  • A consistent sleep window: Time in bed is adjusted to better match the person's current sleep and then expanded as sleep becomes more efficient.
  • Stimulus control: The bed is reserved for sleep, with a plan for what to do when wakefulness becomes prolonged.
  • Cognitive strategies: The person learns to respond differently to unhelpful predictions, clock-watching, and pressure to force sleep.
  • Arousal-reduction skills: Relaxation methods help lower physical and mental activation.
  • Sleep education: The person learns how sleep drive, body-clock timing, medicines, and daily behavior affect the pattern.

Sleep hygiene can support this work, but a checklist about caffeine, screens, and bedroom conditions is not an adequate standalone treatment for chronic insomnia 214.

Why CBT-I may need adaptation

Standard instructions to leave bed whenever awake or sharply reduce time in bed can create hazards for some older adults. A trained clinician can adjust the plan:

  • Fall risk or limited mobility: Use a safe nearby chair or a quiet activity in bed when repeated transfers are unsafe. Keep a clear route, adequate low-level lighting, and prescribed mobility aids available.
  • Excessive sleepiness: Identify sleep apnea, medication effects, insufficient sleep, or another cause before restricting time in bed.
  • Seizure disorders or bipolar disorder: Sleep restriction can briefly increase sleepiness and may destabilize these conditions. Treatment may need to be delayed, made more gradual, or coordinated with the treating clinician.
  • Cognitive impairment: Simplify written instructions, change one step at a time, involve a caregiver, and consider gentler sleep compression rather than a rigid schedule.

These are reasons to individualize CBT-I, not reasons to replace it with an over-the-counter sleep aid. The VA and Department of Defense guideline specifically identifies nighttime fall risk, excessive sleepiness, uncontrolled seizure disorders, bipolar disorder, and acute mental health symptoms as situations requiring adaptation or delay 2.

Support the person's sleep pattern

Daily habits work best when they respond to the actual pattern.

  • Light: Daylight helps anchor the body clock, but the timing should match the problem. Someone whose sleep is shifted too early may need later-day light rather than brighter mornings. A clinician can help with timing when the shift is pronounced 3.
  • Activity: Regular movement and meaningful daytime activity can support sleep and function. The type and timing should be safe for the person's mobility, pain, heart and lung health, and response to exercise 6.
  • Naps: A late or long nap can reduce sleep drive at night. Some people still need a planned nap for safety or function. In that case, an earlier, shorter nap may be more practical than a total ban 6.
  • Fluids and nocturia: Preserve hydration. A clinician can help redistribute fluids, review alcohol and caffeine, evaluate swelling or urinary symptoms, and change diuretic timing when medically appropriate 7.
  • Nighttime safety: Use a clear walking route, stable footwear, suitable lighting, and prescribed mobility aids. A bedside commode or caregiver assistance may be appropriate for some people.

Sleep medication needs a person-specific risk review

There is no universally safest sleep medicine for older adults. A reasonable choice, if medication is used at all, depends on whether the problem is sleep onset or sleep maintenance, as well as fall history, cognition, breathing, kidney and liver function, other medicines, alcohol use, driving, and the plan for stopping treatment.

The 2023 American Geriatrics Society Beers Criteria identifies several medicines that are often inappropriate for older adults because their harms may outweigh their benefits. The current VA and Department of Defense guideline also recommends against several commonly used options for chronic insomnia 112.

Medicine or group What older adults and caregivers should know
Benzodiazepines Older adults are more sensitive to cognitive impairment, delirium, falls, fractures, and driving impairment. Dependence and withdrawal are possible, and combining them with opioids or other depressants can suppress breathing. Do not stop regular use suddenly 1112.
Z-drugs such as zolpidem, zaleplon, and eszopiclone The Beers Criteria recommends avoiding them because they can cause harms similar to benzodiazepines while providing only modest benefit. The FDA also requires a boxed warning about rare but serious sleepwalking, sleep driving, and other complex behaviors that have caused severe injury or death 1115.
First-generation antihistamines such as diphenhydramine and doxylamine Their anticholinergic effects can cause confusion, dry mouth, constipation, urinary problems, and falls. Tolerance to their sedating effect can also develop 11.
Antipsychotics These are not routine insomnia drugs. In people with dementia, they are associated with stroke, cognitive decline, and increased mortality. They should not be used for dementia-related behavior unless non-drug measures have failed and the person is threatening substantial harm 11.
Trazodone and other sedating antidepressants Trazodone is widely used off label, but current insomnia guidance recommends against it for chronic insomnia. Its label warns about orthostatic hypotension, fainting, cognitive or motor impairment, and low sodium, which can be especially consequential in later life 213.
Melatonin Over-the-counter melatonin is not recommended for chronic insomnia in the current VA and Department of Defense guideline. It should not be treated as equivalent to ramelteon, a prescription melatonin-receptor medicine 2.
Ramelteon Evidence was insufficient for the current VA and Department of Defense guideline to recommend for or against it. Its current label is for difficulty falling asleep and warns about next-day impairment, alcohol, behavioral changes, and important interactions, including fluvoxamine 216.
Low-dose doxepin The VA and Department of Defense guideline lists doxepin as one possible short-course option when medication is appropriate. Doses above 6 milligrams per day have stronger anticholinergic and sedating effects and are listed as potentially inappropriate in the Beers Criteria 211.
Dual orexin receptor antagonists Daridorexant, lemborexant, and suvorexant are options in current insomnia guidance, but they are not risk-free. The daridorexant label warns about next-day impairment, additive effects with other depressants, complex sleep behavior, and breathing concerns, and it is contraindicated in narcolepsy 217.

The evidence does not support replacing these medicines with valerian, chamomile, passionflower, kava, aromatherapy, acupuncture, or another supplement routine. Some have little reliable evidence for chronic insomnia, some can interact with medicines, and “natural” does not establish safety in an older adult with multiple conditions. The current VA and Department of Defense guideline recommends against several of these products and finds insufficient evidence for others 2.

If a medicine is considered, ask what symptom it targets, how soon benefit should be evident, what side effects require a call, how it interacts with the complete medication list, and when it will be reviewed or tapered. A pharmacist can be especially useful when several prescribers or over-the-counter products are involved.

Supporting a person with cognitive impairment

Sleep treatment can still be practical when memory or reasoning is impaired. Caregivers can keep a simple record of sleep, naps, nighttime urination, pain, unusual behaviors, and medicine timing. Consistent daytime activity, mealtimes, and a calming evening routine may help organize the day. Nightlights, a clear path to the bathroom, and familiar cues can reduce nighttime risk.

Dementia can change the sleep-wake pattern, but pain, infection, sleep apnea, depression, and medication effects still need attention. The National Institute on Aging recommends looking for medical contributors and adapting routines and the environment rather than assuming nighttime problems are caused only by Alzheimer disease 18.

Caregiver sleep matters too. If nighttime supervision is frequent, the care plan may need scheduled relief or help from family, home care, or the clinical team 18.

When to seek medical help

Arrange a medical appointment when sleep trouble persists, affects daytime function, or comes with loud snoring, breathing pauses, uncomfortable leg urges, dream enactment, worsening mood, recurrent falls, or frequent nighttime urination. Bring a sleep diary and the full medication list if possible.

Seek urgent or emergency help for:

  • sudden confusion, a major change in attention, or new hallucinations, especially with fever or illness 5
  • chest pressure with severe shortness of breath or fainting 19
  • facial drooping, arm weakness, speech difficulty, sudden loss of balance, or another possible stroke sign 20
  • a dangerous fall, serious injury, unresponsiveness, or a possible overdose
  • very little need for sleep together with severe agitation, risky behavior, psychosis, or symptoms of mania 10
  • thoughts of suicide or immediate risk of self-harm 21

Do not drive or operate dangerous equipment when struggling to stay awake or when a medicine causes next-day impairment 4.

Insomnia in an older adult is treatable, but the best plan begins with the right diagnosis. Looking at sleep timing, medical symptoms, other sleep disorders, mood, medicines, daily demands, and safety creates a clearer route to better sleep than adding a generic bedtime remedy.

Sources

Evidence cited in this article.

21 sources
  1. Sleep in the Aging Population (opens in a new tab)
    Sleep Medicine ClinicsResearch
  2. VA/DoD Clinical Practice Guideline for the Management of Chronic Insomnia Disorder and Obstructive Sleep Apnea (opens in a new tab)
    U.S. Department of Veterans Affairs and U.S. Department of DefenseGovernment source
  3. Clinical Practice Guideline for the Treatment of Intrinsic Circadian Rhythm Sleep-Wake Disorders: An Update for 2015 (opens in a new tab)
    Journal of Clinical Sleep MedicineResearch
  4. Drowsy Driving: Avoid Falling Asleep Behind the Wheel (opens in a new tab)
    National Highway Traffic Safety AdministrationGovernment source
  5. Delirium (opens in a new tab)
    MedlinePlus, U.S. National Library of MedicineGovernment source
  6. Insomnia in the Elderly: A Review (opens in a new tab)
    Journal of Clinical Sleep MedicineResearch
  7. Nocturia: General Advice (opens in a new tab)
    International Continence SocietyProfessional guidance
  8. Treatment of Restless Legs Syndrome and Periodic Limb Movement Disorder: An American Academy of Sleep Medicine Clinical Practice Guideline (opens in a new tab)
    Journal of Clinical Sleep MedicineResearch
  9. Management of REM Sleep Behavior Disorder: An American Academy of Sleep Medicine Clinical Practice Guideline (opens in a new tab)
    Journal of Clinical Sleep MedicineResearch
  10. Bipolar Disorder (opens in a new tab)
    National Institute of Mental HealthGovernment source
  11. American Geriatrics Society 2023 Updated AGS Beers Criteria® for Potentially Inappropriate Medication Use in Older Adults (opens in a new tab)
    Journal of the American Geriatrics SocietyResearch
  12. FDA Requiring Boxed Warning Updated to Improve Safe Use of Benzodiazepine Drug Class (opens in a new tab)
    U.S. Food and Drug AdministrationGovernment source
  13. Trazodone Hydrochloride Tablets, for Oral Use: Full Prescribing Information (opens in a new tab)
    DailyMed, U.S. National Library of MedicineGovernment source
  14. Behavioral and Psychological Treatments for Chronic Insomnia Disorder in Adults: An American Academy of Sleep Medicine Clinical Practice Guideline (opens in a new tab)
    Journal of Clinical Sleep MedicineResearch
  15. Certain Prescription Insomnia Medicines: New Boxed Warning Due to Risk of Serious Injuries Caused by Sleepwalking, Sleep Driving, and Other Activities While Not Fully Awake (opens in a new tab)
    U.S. Food and Drug AdministrationGovernment source
  16. Ramelteon Tablets, for Oral Use: Full Prescribing Information (opens in a new tab)
    DailyMed, U.S. National Library of MedicineGovernment source
  17. QUVIVIQ (Daridorexant) Tablets, for Oral Use: Full Prescribing Information (opens in a new tab)
    DailyMed, U.S. National Library of MedicineGovernment source
  18. Managing Sleep Problems in Alzheimer's Disease (opens in a new tab)
    National Institute on AgingGovernment source
  19. Chest Pain (opens in a new tab)
    MedlinePlus, U.S. National Library of MedicineGovernment source
  20. Signs and Symptoms of Stroke (opens in a new tab)
    Centers for Disease Control and PreventionGovernment source
  21. Help for Mental Illnesses (opens in a new tab)
    National Institute of Mental HealthGovernment source

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