01How Sleep Changes as You Age — And What to Do About It

Most people assume they'll catch up on sleep after retirement. The reality is more complicated. Sleep tends to get lighter, shorter, and more fragmented as we age — not because we need less of it, but because the biology of sleep actually changes over time.

The good news: understanding these changes is the first step toward doing something about them.

03Why Sleep Changes as We Age

The biggest change happens in your sleep architecture — the structure of your sleep cycles. As we get older, the body produces less growth hormone. This reduces the amount of slow-wave (deep) sleep we get each night. Less deep sleep leads to lower melatonin production, which results in lighter, more fragmented rest and more frequent nighttime wake-ups.

This isn't a disease — it's a biological shift. But it has real consequences. Without enough deep and REM sleep, your body and brain don't fully restore overnight, which affects memory, mood, immune function, and physical recovery.

Another common change: the circadian rhythm shifts earlier with age. Older adults often feel sleepy earlier in the evening and wake up earlier in the morning. This is sometimes called "advanced sleep phase" — and while it's normal, it can feel disruptive if your schedule doesn't match it.

04How Much Sleep You Need at Every Stage of Life

Sleep requirements aren't one-size-fits-all — they shift significantly from birth through adulthood. Here's a straightforward breakdown:

Age Group Recommended Sleep What's Normal
Newborns (0–3 months) 14–17 hours Sleep distributed throughout the day and night
Toddlers (1–2 years) 11–14 hours Nighttime sleep plus daytime naps
Late Childhood (6–12) 9–12 hours Often the easiest sleep of your life — deep and uninterrupted
Teenagers (13–18) 8–10 hours Biology pushes bedtime later; early school starts create chronic sleep debt
Adults (18–64) 7–9 hours Work, stress, and caregiving routinely cut this short
Older Adults (65+) 7–8 hours Earlier sleep and wake timing; lighter sleep; naps become more common

Important: Older adults still need 7–8 hours per night. The belief that seniors need less sleep is a myth. What changes is how that sleep is structured — not how much the body requires.

05Health Conditions That Disrupt Sleep in Older Adults

Poor sleep in older adults isn't always just "getting older." In many cases, an underlying health issue is the real driver — and treating it can dramatically improve sleep quality.

Common conditions that interfere with sleep:

  • Arthritis and joint pain — Discomfort that worsens at night disrupts both sleep onset and maintenance
  • Heart disease — Can cause breathlessness or discomfort when lying flat
  • High blood pressure — Closely linked to poor sleep quality in both directions
  • Depression — One of the most common causes of insomnia in older adults, often underdiagnosed
  • Gastroesophageal reflux (GERD) — Lying down can trigger acid reflux that wakes you during the night
  • Respiratory conditions — COPD and similar conditions reduce oxygen quality and sleep depth
  • Sleep apnea — Extremely common and frequently undiagnosed; causes repeated nighttime arousals and daytime fatigue
  • Restless leg syndrome — Uncomfortable sensations in the legs that make it hard to fall or stay asleep

Many people accept poor sleep as an inevitable part of aging and never mention it to their doctor. But treating underlying conditions often makes a significant and lasting difference. If you suspect a health issue is affecting your sleep, bring it up at your next appointment — it's a conversation worth having.

06Practical Tips for Better Sleep as You Age

1. Protect a Consistent Sleep Schedule

Going to bed and waking up at the same time every day — including weekends — is one of the most effective things you can do for sleep quality. Your circadian rhythm responds to consistency, and irregular schedules undermine it regardless of total sleep time.

2. Evaluate Your Sleep Surface

As your body changes, so do your sleep needs. A mattress that felt comfortable in your 40s may not provide the right pressure relief and support in your 60s or 70s. Joint sensitivity, circulation, and preferred sleep positions all shift over time. If you're waking up with pain or stiffness, your mattress may be contributing to the problem.

3. Use Naps Strategically

Short naps (20–30 minutes) in the early afternoon can improve alertness without disrupting nighttime sleep. Long naps or napping late in the day can make it harder to fall asleep at night and perpetuate poor sleep patterns.

4. Watch Alcohol and Caffeine

Alcohol may help you fall asleep but disrupts deep sleep in the second half of the night, leaving you feeling unrested. Caffeine after mid-afternoon can delay sleep onset even if you don't feel stimulated by it. Both become more impactful with age.

5. Create a Dark, Cool Sleep Environment

Light and temperature have a direct effect on sleep quality. A bedroom kept between 65–68°F, with blackout curtains or a sleep mask, and minimal noise creates the conditions your body needs to sleep deeply.

6. Wind Down Intentionally

Rumination — lying in bed reviewing worries — is a major sleep disruptor at any age, but especially as responsibilities and health concerns grow. A consistent wind-down routine (reading, gentle stretching, light journaling) helps signal to your nervous system that it's time to rest.

7. Talk to Your Doctor

If sleep is consistently poor despite good habits, it's worth a medical conversation. A doctor can rule out sleep disorders, review medication side effects that affect sleep, and refer you to a sleep specialist if needed.

07When Your Mattress Is Part of the Problem

One factor that often gets overlooked: an aging mattress. Most mattresses have a useful life of 7–10 years. After that, they lose the support and pressure relief that allow you to sleep through the night without discomfort.

For older adults, a mattress with good pressure relief — particularly around hips and shoulders — can reduce the nighttime tossing that fragments sleep. If motion transfer wakes you when your partner shifts, a mattress with better motion isolation helps. If temperature regulation is an issue, newer materials handle heat much better than older foam and spring designs.

If you're in the Los Angeles area, visit any of our five showrooms to try mattresses in person. Our sleep experts can help you find the right fit without pressure. Or browse our full mattress collection to start exploring online.

08Frequently Asked Questions

Do older adults really need less sleep?

No. Adults over 65 still need 7–8 hours of sleep per night. What changes is the structure of their sleep — less deep sleep, earlier sleep timing, and more frequent wake-ups — not how much sleep the body requires to function well.

Why do I wake up so early as I get older?

Aging shifts the circadian rhythm earlier — a change called advanced sleep phase. Older adults naturally feel sleepy earlier in the evening and wake earlier in the morning. This is a normal biological shift, though it can feel inconvenient if your schedule doesn't align with it.

Is insomnia inevitable as you age?

Not necessarily. While sleep does become lighter with age, chronic insomnia usually has identifiable and treatable causes — pain, medication side effects, anxiety, sleep apnea, or poor sleep habits. It's worth investigating rather than accepting.

Can a new mattress help older adults sleep better?

It can, especially if your current mattress is old, unsupportive, or creating pressure points that wake you during the night. A mattress designed for pressure relief can meaningfully reduce pain-related sleep disruptions.

What sleep position is best for older adults?

Side sleeping with a pillow between the knees reduces hip and lower back pressure for most people. Back sleeping on a supportive mattress works well too. Stomach sleeping tends to strain the neck and lumbar spine and is generally not recommended, especially with age.

When should I see a doctor about sleep problems?

If poor sleep has persisted for more than a few weeks, is affecting your daytime functioning, or is accompanied by symptoms like loud snoring, gasping during sleep, or significant daytime sleepiness, it's worth a medical evaluation. Many sleep disorders are highly treatable once diagnosed.

Sleep may change as we age — but it doesn't have to get dramatically worse. Most of the factors that degrade sleep quality over time are addressable: pain, poor habits, untreated health conditions, and an unsupportive sleep environment. Start with what you can control, and talk to a professional about the rest.