Aging and Sleep: What Changes, What Helps, and When to See a Doctor

Sleep doesn't work the same way at 70 as it did at 30. That's not a complaint — it's just biology. As we age, our sleep architecture shifts in real and measurable ways. Understanding those changes is the first step to working with them, not against them.

This guide covers what actually changes with age, the most common sleep disorders in older adults, practical tips that help, and when it's time to involve a doctor.

How Sleep Changes with Age

Several things shift with age that directly affect sleep quality:

  • Circadian rhythm advances — The internal clock tends to shift earlier, making older adults feel sleepy earlier in the evening and wake up earlier in the morning.
  • Less deep sleep — The proportion of slow-wave (deep) sleep decreases with age. This is the most restorative stage, so less of it means less physical recovery overnight.
  • More nighttime awakenings — Sleep becomes lighter and more fragmented. Brief arousals that a younger person might sleep through can become full wakeups.
  • Reduced sleep efficiency — Time spent in bed doesn't equal time spent sleeping. It's common to spend more time in bed while actually sleeping fewer hours.
  • Changes in melatonin production — The body produces less melatonin as we age, which can make it harder to fall and stay asleep.

These changes are normal. They don't mean you're destined to sleep poorly — but they do mean your sleep strategy may need to evolve.

Common Sleep Disorders in Older Adults

Beyond normal age-related shifts, several sleep disorders become more prevalent with age:

Insomnia

Difficulty falling asleep, staying asleep, or waking too early — with daytime consequences like fatigue and impaired concentration. Insomnia in older adults is often driven by pain, medication side effects, anxiety, or underlying health conditions. It can become chronic without intervention.

Sleep Apnea

Repeated pauses in breathing during sleep, often accompanied by loud snoring and gasping. Sleep apnea is underdiagnosed in older adults and carries real risks — including elevated blood pressure and cardiovascular strain. If a partner has noticed you stopping breathing during sleep, or if you wake unrefreshed despite adequate hours, this warrants medical evaluation.

Restless Leg Syndrome (RLS)

An uncomfortable, often irresistible urge to move the legs — typically worse in the evening and at rest. RLS can significantly delay sleep onset. It tends to worsen with age and is treatable, so it's worth discussing with a doctor rather than just tolerating.

Periodic Limb Movement Disorder (PLMD)

Repetitive leg movements during sleep that cause arousals, often without the person being aware. A bed partner may notice it before the sleeper does.

Hypersomnia

Excessive daytime sleepiness despite adequate nighttime sleep. When this is new or worsening, it may signal an underlying condition and deserves medical attention.

Common Causes of Poor Sleep in Older Adults

  • Medications — Many common medications (diuretics, beta-blockers, certain antidepressants, steroids) can disrupt sleep. Review your medications with your doctor if sleep problems coincide with starting something new.
  • Chronic pain — Arthritis, back pain, and other pain conditions frequently interfere with sleep. Addressing the pain source often improves sleep significantly.
  • Reduced activity — Less physical activity during the day means less sleep drive at night. Even light daily movement helps.
  • Anxiety and depression — Both are more common in older adults and both affect sleep quality. Mental health treatment often improves sleep as a direct result.
  • Napping too much — Long or late-afternoon naps can reduce nighttime sleep drive. Short naps (20–30 minutes) earlier in the day are generally fine; longer ones can backfire.

Practical Tips That Actually Help

Keep a consistent sleep schedule

Go to bed and wake up at the same time every day — including weekends. This is the single most effective non-medical intervention for sleep quality at any age.

Get outside during the day

Natural light in the morning helps anchor your circadian rhythm. Even 20–30 minutes of outdoor time, especially in the morning, can noticeably improve sleep timing.

Move your body daily

Regular physical activity — walks, swimming, gentle yoga, whatever suits your body — improves both sleep quality and duration. Avoid vigorous exercise within two to three hours of bedtime.

Limit caffeine after noon

Caffeine has a longer half-life in older adults. That 2pm coffee may still be affecting your sleep at 10pm.

Wind down before bed

Dim the lights an hour before sleep. Avoid screens when possible, or use night mode. A consistent pre-sleep routine — reading, light stretching, a warm shower — signals your brain that sleep is coming.

Keep the bedroom cool and dark

Core body temperature needs to drop slightly to initiate sleep. A cool room (around 65–68°F) helps. Blackout curtains or a sleep mask can make a real difference if light is an issue.

Keep a sleep journal

Tracking when you sleep, when you wake, and how you feel helps you identify patterns — and gives your doctor much more useful information than "I'm not sleeping well."

How Much Sleep Do Older Adults Need?

The recommendation doesn't change much with age: seven to nine hours per night remains the target for most adults over 65. What does change is that achieving it may take more intentional effort — earlier bedtimes, better sleep hygiene, and sometimes medical support.

Feeling rested after seven hours is fine. Feeling unrefreshed after nine hours is worth paying attention to.

Your Sleep Surface Matters More as You Age

As joints become more sensitive and pressure points more pronounced, the mattress and pillow you sleep on matter more — not less. A mattress that was fine at 45 may not be the right fit at 65.

Older adults often benefit from:

  • Medium to medium-soft firmness — Enough support to keep the spine aligned without putting excessive pressure on the hips and shoulders.
  • Pressure-relieving materials — Memory foam or latex layers that cushion pressure points.
  • Motion isolation — Especially important if you or a partner wakes frequently.
  • Adjustable bases — Elevating the head or legs can ease acid reflux, improve circulation, and reduce joint strain.

If you haven't reassessed your sleep setup recently, it may be time. Visit one of our LA showrooms and take your time testing different options. Our sleep advisors can help match you to the right support for your specific needs. We also offer a 120-night comfort guarantee so you can try your mattress at home before fully committing.

Also worth exploring: adjustable bed bases that allow you to customize your sleep position throughout the night.

When to See a Doctor About Sleep

Some sleep changes are normal with aging. These warrant medical attention:

  • Consistent fatigue despite adequate time in bed
  • Falling asleep at inappropriate times (while talking, eating, or driving)
  • A partner reports you stop breathing during sleep
  • Severe insomnia lasting more than four weeks
  • Uncomfortable leg sensations that prevent falling asleep
  • Significant mood changes you associate with poor sleep

Early intervention matters. Untreated sleep disorders in older adults are associated with cognitive decline, cardiovascular risk, falls, and reduced quality of life. Sleep medicine has effective treatments — don't wait too long to ask for help.

Frequently Asked Questions

Is it normal to sleep less as you get older?

It's common — but not necessarily normal in a healthy sense. While sleep patterns shift with age, consistently getting less than six hours is associated with health risks. Most older adults should still aim for seven to nine hours, though they may need more deliberate effort to achieve it.

Why do older adults wake up so early?

The circadian rhythm tends to advance with age, making people feel sleepy earlier and naturally wake earlier. Going to bed earlier can help align sleep timing with this shift rather than fighting it.

Are sleep aids safe for older adults?

Many over-the-counter sleep aids — especially antihistamine-based ones — are not recommended for older adults due to side effects including confusion, balance problems, and increased fall risk. Discuss any sleep aids with your doctor before using them regularly.

Can exercise help with sleep problems in older adults?

Yes, consistently. Regular moderate exercise improves sleep quality and can reduce insomnia symptoms. Even walking 30 minutes a day has been shown to help. Timing matters — exercise in the morning or afternoon is preferable to evening.

What type of mattress is best for older adults?

Medium to medium-soft mattresses with good pressure relief tend to work well for most older adults. Memory foam and hybrid mattresses are popular choices. An adjustable base can add significant comfort, especially for those with acid reflux, back pain, or circulation issues. The best way to find the right fit is to test options in person.

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Sleep changes with age, but poor sleep doesn't have to be your new normal. A few consistent habits, the right sleep surface, and medical support when needed can make a real difference. If you'd like help finding a mattress that supports better sleep as you age, our team at any of our five LA Mattress locations is happy to help.