Does sleep change with age? – Thrive Well Supplements

Aging and sleep: what really changes?

If you have ever wondered, “does sleep change with age?” you are not alone. As you get older, you might notice that you fall asleep earlier, wake up during the night more often, or feel less rested in the morning. These changes in sleep are very common with aging, but they are not something you just have to accept without question.

According to health sources like MedlinePlus and the Sleep Foundation, sleep does change with age in several predictable ways. Understanding what is normal, what is not, and what you can do about it can help you protect your sleep and your overall health.

How your sleep needs change with age

You might hear that older adults “need less sleep,” but that is not accurate. Your sleep needs stay almost the same throughout adulthood.

Most healthy adults, including adults aged 65 and older, still need about 7 to 8 hours of sleep each night (MedlinePlus).
The Sleep Foundation notes that adults over 65 should still aim for at least 7 hours.

What often changes is not how much sleep you need, but how easy it is to get that sleep. As you move into midlife and beyond, it can be harder to sleep soundly and to stay asleep, so your actual sleep time may become shorter even though your sleep requirement has not changed.

A gradual shift over the years

Sleep changes do not happen overnight. Research has found that:

From young adulthood into midlife, average sleep time decreases by about 30 minutes every 10 years (UCLA Health).
In adults under 60, total sleep time drops by roughly 10 to 12 minutes per decade, then tends to plateau after age 60 for most healthy older adults (NIH PMC).

So if you are in your 40s, 50s, or 60s and feel like you used to sleep more deeply or for longer stretches, you are likely noticing the cumulative effects of these gradual shifts.

What typically changes in your sleep as you age

While your basic sleep need stays steady, the structure, timing, and quality of your sleep often change. These changes are sometimes called age-related sleep changes.

You fall asleep and wake up earlier

Many older adults notice their “internal clock” drifting earlier. You might feel sleepy by early evening and wake up before sunrise, even if you would prefer to sleep later.

Research points to a few reasons for this shift:

Aging affects the suprachiasmatic nucleus (SCN), the part of your brain that controls circadian rhythms, which are your 24-hour sleep and wake patterns (Sleep Foundation).
Circadian rhythms become less robust with age and tend to move earlier in the day, a change called phase advance (NIH PMC).
Hormones that help regulate your sleep-wake cycle, such as melatonin and cortisol, also change with age and can nudge your sleep to an earlier schedule (NIH PMC).

If you are used to a later bedtime, this earlier schedule might feel inconvenient, but it is a very common part of aging.

Your sleep gets lighter and more fragmented

Even if your total sleep time stays close to 7 hours, how that sleep is distributed at night tends to shift.

Common patterns in older adults include (MedlinePlus, NIH PMC):

More trouble staying asleep, especially in the second half of the night
Waking up 3 to 4 times per night on average
Spending less time in deep, slow-wave sleep (the most restorative stage of sleep)
Feeling like sleep is lighter and easier to interrupt

Studies show that sleep efficiency, which is the percentage of time you are actually asleep while in bed, decreases with age and continues to slowly decline even after 60 (NIH PMC). This means you may spend more time awake in bed, even if you go to bed at your usual time.

Because your sleep is lighter, you might be more aware of each awakening and feel as if you are “barely sleeping,” even if your total hours in bed have not changed much.

You nap more or feel sleepy during the day

If your sleep is broken up at night, you may feel tired or drowsy during the day. Many older adults:

Take more daytime naps
Doze off while reading or watching TV
Feel a strong mid-afternoon slump

Research has found that older adults often experience shorter nighttime sleep, more awakenings, and more daytime napping as a group of related changes (NIH PMC).

Occasional short naps can be helpful, but long or frequent daytime naps can make it harder to sleep at night, which can continue the cycle of poor sleep.

You may feel sleep deprived, even if the numbers look okay

Because older adults spend less time in deep sleep and more time awake during the night, you can feel sleep deprived, confused, or foggy the next day, even when you technically spend 6.5 to 7 hours asleep (MedlinePlus).

Chronic poor sleep can contribute to:

Memory problems or mental changes
Low mood or depression
Increased risk of falls or car accidents if you drive while drowsy (MedlinePlus)

This is one reason it is important not to dismiss ongoing sleep problems as just a normal part of getting older.

Why sleep changes as you get older

Sleep is affected by your brain, your hormones, your light exposure, your overall health, and your daily routine. As you age, all of these can shift.

Brain changes and your body clock

The SCN in your brain acts like a master clock, telling your body when to feel sleepy and when to feel awake. Over time, this clock becomes less precise.

According to the Sleep Foundation:

Aging is associated with a decline in SCN function.
Weaker SCN signals make your circadian rhythms less stable and more easily disrupted.

The result is that your sleep and wake times may gradually drift earlier, and your body may have a harder time adjusting to schedule changes, such as travel across time zones or staying up late on weekends.

Hormone changes that affect sleep

Several hormones that influence sleep change with age:

Melatonin: Your body produces less melatonin, a hormone released in response to darkness that helps you feel sleepy and coordinates your circadian rhythms. Lower melatonin levels are linked to more sleep disturbances in older adults (Sleep Foundation).
Cortisol: The rhythm of cortisol, a hormone related to stress and alertness, shifts and can affect when you feel awake or sleepy (NIH PMC).
Sex hormones: Testosterone, estrogen, and progesterone decline with age. For people assigned female at birth, menopause-related drops in estrogen and progesterone can cause hot flashes and night sweats that interrupt sleep (UCLA Health). For people assigned male at birth, declines in testosterone can also be linked with changes in sleep quality.

These hormone shifts do not always cause major sleep problems by themselves, but they can make you more sensitive to other factors that disturb sleep.

Less daylight, more disrupted rhythms

Light is one of the strongest cues for your internal clock. Over the years, your daily light exposure may drop without you fully noticing it.

The Sleep Foundation reports that older adults:

Often get only about one hour of daylight exposure per day on average.
May spend more time indoors because of retirement, mobility issues, or lifestyle changes.
Are especially at risk of low light exposure if they live in nursing homes or have conditions like Alzheimer’s disease.

Too little daylight weakens your circadian rhythms and makes it harder for your body to keep a steady sleep-wake schedule.

Health conditions and medications

Sleep changes can also be tied to health issues that become more common with age. For example (MedlinePlus, Journal of General and Family Medicine):

Chronic pain can wake you during the night or make it hard to get comfortable.
Medical conditions such as nocturia (frequent nighttime urination) can cause repeated awakenings.
Depression and anxiety can disrupt both falling asleep and staying asleep.
Neurologic conditions like dementia and Parkinson’s disease are linked with significant changes in sleep patterns.

Many medications also list insomnia or daytime sleepiness as side effects. If you take multiple medications, these effects can add up.

The good news is that treating pain, managing medical conditions, and addressing depression often improves sleep quality in older adults (MedlinePlus).

What counts as a normal sleep change in aging?

Some sleep changes are common in healthy older adults and may not signal a serious problem on their own. Others are worth bringing up with your healthcare provider.

Common age-related changes

These changes are documented in healthy older adults, even in the absence of major disease (NIH PMC, MedlinePlus):

Earlier bedtime and earlier morning wake time
Slightly shorter nighttime sleep
More frequent brief awakenings
Less deep, slow-wave sleep and more light sleep
Occasional short daytime naps

Many people adjust their daily routines around these shifts and continue to feel rested and able to function well.

When to talk with a healthcare provider

Sleep problems are not something you have to ignore just because you are older. You should talk with a healthcare provider if you notice:

Difficulty falling asleep most nights
Waking up many times each night and struggling to fall back asleep
Loud snoring, gasping, or pauses in breathing during sleep, which might point to sleep apnea
Strong daytime sleepiness that makes it hard to stay awake
Mood changes, confusion, or memory issues that you or others notice
Leg discomfort or an urge to move your legs at night
Insomnia that lasts for weeks or months

Between 40% and 70% of older adults have chronic sleep issues, and up to half of these may be undiagnosed (Sleep Foundation). Asking about your sleep is an important part of your overall healthcare, not an extra.

How sleep problems can affect your health

It is easy to assume that you can “get by” on poor sleep, especially if you have been sleeping poorly for a long time. However, chronic sleep issues can affect both your body and your mind.

According to MedlinePlus and the Journal of General and Family Medicine, disrupted sleep in older adults can be linked with:

Confusion or mental changes
Depression or low mood
Increased risk of car accidents
Reduced physical function, such as slower walking speed or weaker grip strength
Reduced quality of life overall

If your sleep feels like it is getting in the way of your daily life, that is enough reason to seek support.

Ways to improve sleep as you age

You cannot stop aging, but you can support better sleep in many practical ways. Lifestyle habits and non-drug approaches are usually the first line of treatment, and they can be very effective.

Strengthen your sleep routine

Keeping a steady rhythm helps your body know when it is time to sleep.

Try to:

Go to bed and wake up at the same time every day, including weekends.
Create a wind-down routine for the last 30 to 60 minutes before bed, such as reading, stretching gently, or listening to calming music.
Use your bed only for sleep and, if recommended by your provider, sex. If you cannot sleep, get up, do something relaxing in dim light, then return to bed when you feel drowsy.

These strategies, which are part of healthy sleep habits recommended for older adults, can help you fall asleep more easily and reduce the time you spend awake in bed (MedlinePlus).

Adjust your sleep environment

A comfortable, quiet place to sleep can make a big difference, especially when your sleep is already lighter.

Consider:

Keeping your bedroom cool, dark, and as quiet as possible.
Using blackout curtains or a sleep mask if outdoor lights bother you.
Trying earplugs or a white noise machine if noises wake you easily.
Choosing bedding and sleepwear that help you stay at a comfortable temperature, which can be especially helpful if you experience hot flashes at night.

These changes may seem small, but together they can reduce the number of times you wake up and help you fall back asleep more quickly.

Get more daylight and gentle movement

Because light and activity strongly influence your circadian rhythm, small changes here can help shift your body toward better sleep.

You might:

Spend some time outside in the morning or early afternoon each day, even if it is a short walk or sitting by a window with direct daylight.
Keep indoor lights bright during the day and dim them in the evening to reinforce your day-night pattern.
Add light physical activity, such as walking, stretching, or low-impact exercise, most days of the week, if your healthcare provider agrees it is safe.

Older adults often receive too little daylight, sometimes only about an hour a day, which can worsen sleep disruption (Sleep Foundation). Increasing your light exposure is a relatively simple step with potential benefits.

Manage health issues that disturb sleep

If you are waking frequently to use the bathroom, dealing with ongoing pain, or struggling with low mood, addressing those problems can directly improve your sleep.

Talk with your healthcare provider about:

Adjusting the timing of fluids or certain medications, if nocturia is a problem
Treatment options for chronic pain
Screening and treatment for depression or anxiety
Evaluation for conditions like sleep apnea or restless legs syndrome if your symptoms suggest them

Relieving chronic pain, controlling medical conditions, and treating depression often lead to better sleep in older adults (MedlinePlus).

Be cautious with sleep medications

It can be tempting to reach for a sleeping pill when you are tired and frustrated. However, older adults respond differently to many sleep medications, and there can be added risks.

According to MedlinePlus:

Older adults are more sensitive to side effects from sleeping pills.
Sedative medications can increase the risk of confusion, falls, and accidents.
Long-term use is generally discouraged unless a provider believes the benefits clearly outweigh the risks.

Safer options that your provider might suggest include:

Lifestyle changes and sleep hygiene, such as those described above.
Cognitive behavioral therapy for insomnia (CBT-I), a structured form of talk therapy that helps you change thoughts and behaviors around sleep.
Melatonin supplements, in some cases, to help with sleep timing, although these should be used under medical guidance.

Always talk with a healthcare professional before starting, stopping, or changing any sleep medication or supplement.

Aging, sleep, and your expectations

One subtle change with aging is how you think about and report your sleep. Research has found that older adults sometimes:

Experience more fragmented sleep than younger people
Are less likely to complain about sleep problems, possibly because they have adjusted their expectations or become more tolerant of sleep loss (Journal of General and Family Medicine)

You may be used to a certain pattern and assume that waking up frequently or feeling tired is just how it is now. Understanding that many sleep problems can be improved may help you feel more comfortable bringing them up with your provider and exploring solutions.

Key points to remember

To bring everything together, here are the main ideas to keep in mind about how sleep changes with age:

Your sleep needs stay about the same. You still generally need 7 to 8 hours of sleep, even in older adulthood.
Your sleep timing often moves earlier, so you may get sleepy and wake up earlier than you used to.
Sleep usually becomes lighter and more broken up, with less deep sleep and more night-time awakenings.
Hormone changes, reduced light exposure, health conditions, and brain changes all play a role.
Many older adults feel sleep deprived, even if their total sleep time has not changed much.
Chronic sleep problems are common and can affect your mood, thinking, and physical function.
Healthy sleep habits, good daylight exposure, managing medical conditions, and cautious use of sleep aids can all help you sleep better.

If your sleep feels like it has changed in a way that leaves you tired, low in mood, or less able to do what you enjoy, it is worth talking with a healthcare provider. You cannot turn back the clock, but you can often improve how well you sleep at every age.