Why You Probably Need More Sleep

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Sleep: yes, you really do still need it!

We asked you how much sleep you usually get, and got the above-pictured, below-described set of responses:

  • A little of a third of all respondents selected the option “< 7 hours”
  • However, because respondents also selected options such as < 6 hours, < 5 hours, and < 4 hours, so if we include those in the tally, the actual total percentage of respondents who reported getting under 7 hours, is actually more like 62%, or just under two thirds of all respondents.
  • Nine respondents, which was about 5% of the total, reported usually getting under 4 hours sleep
  • A little over quarter of respondents reported usually getting between 7 and 8 hours sleep
  • Fifteen respondents, which was a little under 10% of the total, reported usually getting between 8 and 9 hours of sleep
  • Three respondents, which was a little under 2% of the total, reported getting over 9 hours of sleep
  • In terms of the classic “you should get 7–9 hours sleep”, approximately a third of respondents reported getting this amount.

You need to get 7–9 hours sleep: True or False?

True! Unless you have a (rare!) mutated ADRB1 gene, which reduces that.

The way to know whether you have this, without genomic testing to know for sure, is: do you regularly get under 6.5 hours sleep, and yet continue to go through life bright-eyed and bushy-tailed? If so, you probably have that gene. If you experience daytime fatigue, brain fog, and restlessness, you probably don’t.

About that mutated ADRB1 gene:

NIH | Gene identified in people who need little sleep

Quality of sleep matters as much as duration, and a lot of studies use the “RU-Sated” framework, which assesses six key dimensions of sleep that have been consistently associated with better health outcomes. These are:

  • regularity / usual hours
  • satisfaction with sleep
  • alertness during waking hours
  • timing of sleep
  • efficiency of sleep
  • duration of sleep

But, that doesn’t mean that you can skimp on the last one if the others are in order. In fact, getting a good 7 hours sleep can reduce your risk of getting a cold by three or four times (compared with six or fewer hours):

Behaviorally Assessed Sleep and Susceptibility to the Common Cold

^This study was about the common cold, but you may be aware there are more serious respiratory viruses freely available, and you don’t want those, either.

Napping is good for the health: True or False?

True or False, depending on how you’re doing it!

If you’re trying to do it to sleep less in total (per polyphasic sleep scheduling), then no, this will not work in any sustainable fashion and will be ruinous to the health. We did a Mythbusting Friday special on specifically this, a while back:

Could Just Two Hours Sleep Per Day Be Enough?

PS: you might remember Betteridge’s Law of Headlines

If you’re doing it as a energy-boosting supplement to a reasonable night’s sleep, napping can indeed be beneficial to the health, and can give benefits such as:

However! There is still a right and a wrong way to go about it, and we wrote about this previously, for a Saturday Life Hacks edition of 10almonds:

How To Nap Like A Pro (No More “Sleep Hangovers”!)

As we get older, we need less sleep: True or False

False, with one small caveat.

The small caveat: children and adolescents need 9–12 hours sleep because, uncredited as it goes, they are doing some seriously impressive bodybuilding, and that is exhausting to the body. So, an adult (with a normal lifestyle, who is not a bodybuilder) will tend to need less sleep than a child/adolescent.

But, the statement “As we get older, we need less sleep” is generally taken to mean “People in the 65+ age bracket need less sleep than younger adults”, and this popular myth is based on anecdotal observational evidence: older people tend to sleep less (as our survey above shows! For any who aren’t aware, our readership is heavily weighted towards the 60+ demographic), and still continue functioning, after all.

Just because we survive something with a degree of resilience doesn’t mean it’s good for us.

In fact, there can be serious health risks from not getting enough sleep in later years, for example:

Sleep deficiency promotes Alzheimer’s disease development and progression

Want to get better sleep?

What gets measured, gets done. Sleep tracking apps can be a really good tool for getting one’s sleep on a healthier track. We compared and contrasted some popular ones:

The Head-To-Head Of Google and Apple’s Top Apps For Getting Your Head Down

Take good care of yourself!

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  • Almonds vs Walnuts – Which is Healthier?

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    Our Verdict

    When comparing almonds to walnuts, we picked the almonds.

    Why?

    It wasn’t just our almond bias, but it was close!

    In terms of macros, the main important differences are:

    • Almonds are higher in protein
    • Walnuts are higher in fats (they are healthy fats)

    So far, so even.

    In terms of vitamins, both are rich in many vitamins; mostly the same ones. However, walnuts have more of most of the B vitamins (except for B2 and B3, where almonds win easily), and almonds have more vitamin E by several orders of magnitude.

    So far, so balanced.

    Almonds have slightly more choline.

    Almonds have a better mineral profile, with more of most minerals that they both contain, and especially, a lot more calcium.

    Both nuts have [sometimes slightly different, but] comparable benefits against diabetes, cancer, neurodegeneration, and other diseases.

    In summary

    This one’s close. After balancing out the various “almonds have this but walnuts have that” equal-but-different benefits, we’re going to say almonds take first place by virtue of the better mineral profile, and more choline.

    But: enjoy both!

    Learn more

    You might like this previous article of ours:

    Why You Should Diversify Your Nuts

    Take care!

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  • The Great Cholesterol Myth, Revised and Expanded – by Dr. Jonny Bowden and Dr. Stephen Sinatra

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    The topic of cholesterol, and saturated fat for that matter, is a complex and often controversial one. How does this book treat it?

    With strong opinions, is how—but backed by good science. The authors, a nutritionist and a cardiologist, pull no punches about outdated and/or cherry-picked science, and instead make the case for looking at what, statistically speaking, appear to be the real strongest risk factors.

    So, are they advocating for Dave Asprey-style butter-guzzling, or “the carnivore diet”? No, no they are not. Those things remain unhealthy, even if they give some short-term gains (of energy levels, weight loss, etc).

    They do advocate, however, for enjoying saturated fats in moderation, and instead of certain polyunsaturated seed oils that do far worse. They also advocate strongly for avoiding sugar, stress, and (for different reasons) statins (in most people’s cases).

    They also demystify in clear terms, and often with diagrams and infographics, the various kinds of fats and their components, broken down in far more detail than any other pop-science source this reviewer has seen.

    Bottom line: if you want to take a scientific approach to heart health, this book can help you to focus on what will actually make the biggest difference.

    Click here to check out The Great Cholesterol Myth, and learn about the greater dangers that it hides!

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  • How To Clean Your Brain (Glymphatic Health Primer)

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    That’s not a typo! The name “glymphatic system” was coined by the Danish neuroscientist Dr. Maiken Nedergaard, and is a nod to its use of glial cells to do a similar job to that of the peripheral lymphatic system—but this time, in the CNS. Today, we have Dr. Jin Sung to tell us more:

    Brainwashing (but not like that)

    The glymphatic system may sound like a boring job, but so does “sanitation worker” in a city—yet the city would grind to a messy halt very very quickly without them. Same goes for your brain.

    Diseases that are prevalent when this doesn’t happen the way it should include Alzheimer’s (beta-amyloid clearance) and Parkinson’s (alpha-synuclein clearance) amongst others.

    Things Dr. Sung recommends for optimal glymphatic function include: sleep (7–9 hours), exercise (30–45 minutes daily), hydration (half your bodyweight in pounds, in ounces, so if your body weighs 150 lbs, that means 75 oz of water), good posture (including the use of good ergonomics, e.g. computer monitor at right height, car seat correct, etc), stress reduction (reduces inflammatory cytokines), getting enough omega-3 (the brain needs certain fats to work properly, and this is the one most likely to see a deficit), vagal stimulation (methods include humming, gargling, and gagging—please note we said vagal stimulation; easy to misread at a glance!), LED light therapy, and fasting (intermittent or prolonged).

    For more on each of these, including specific tips, enjoy:

    Click Here If The Embedded Video Doesn’t Load Automatically!

    Want to learn more?

    You might also like to read:

    Take care!

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Related Posts

  • The Truth About Vaccines
  • What will aged care look like for the next generation? More of the same but higher out-of-pocket costs

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    Aged care financing is a vexed problem for the Australian government. It is already underfunded for the quality the community expects, and costs will increase dramatically. There are also significant concerns about the complexity of the system.

    In 2021–22 the federal government spent A$25 billion on aged services for around 1.2 million people aged 65 and over. Around 60% went to residential care (190,000 people) and one-third to home care (one million people).

    The final report from the government’s Aged Care Taskforce, which has been reviewing funding options, estimates the number of people who will need services is likely to grow to more than two million over the next 20 years. Costs are therefore likely to more than double.

    The taskforce has considered what aged care services are reasonable and necessary and made recommendations to the government about how they can be paid for. This includes getting aged care users to pay for more of their care.

    But rather than recommending an alternative financing arrangement that will safeguard Australians’ aged care services into the future, the taskforce largely recommends tidying up existing arrangements and keeping the status quo.

    No Medicare-style levy

    The taskforce rejected the aged care royal commission’s recommendation to introduce a levy to meet aged care cost increases. A 1% levy, similar to the Medicare levy, could have raised around $8 billion a year.

    The taskforce failed to consider the mix of taxation, personal contributions and social insurance which are commonly used to fund aged care systems internationally. The Japanese system, for example, is financed by long-term insurance paid by those aged 40 and over, plus general taxation and a small copayment.

    Instead, the taskforce puts forward a simple, pragmatic argument that older people are becoming wealthier through superannuation, there is a cost of living crisis for younger people and therefore older people should be required to pay more of their aged care costs.

    Separating care from other services

    In deciding what older people should pay more for, the taskforce divided services into care, everyday living and accommodation.

    The taskforce thought the most important services were clinical services (including nursing and allied health) and these should be the main responsibility of government funding. Personal care, including showering and dressing were seen as a middle tier that is likely to attract some co-payment, despite these services often being necessary to maintain independence.

    The task force recommended the costs for everyday living (such as food and utilities) and accommodation expenses (such as rent) should increasingly be a personal responsibility.

    Aged care resident eats dinner from a tray
    Aged care users will pay more of their share for cooking and cleaning.
    Lizelle Lotter/Shutterstock

    Making the system fairer

    The taskforce thought it was unfair people in residential care were making substantial contributions for their everyday living expenses (about 25%) and those receiving home care weren’t (about 5%). This is, in part, because home care has always had a muddled set of rules about user co-payments.

    But the taskforce provided no analysis of accommodation costs (such as utilities and maintenance) people meet at home compared with residential care.

    To address the inefficiencies of upfront daily fees for packages, the taskforce recommends means testing co-payments for home care packages and basing them on the actual level of service users receive for everyday support (for food, cleaning, and so on) and to a lesser extent for support to maintain independence.

    It is unclear whether clinical and personal care costs and user contributions will be treated the same for residential and home care.

    Making residential aged care sustainable

    The taskforce was concerned residential care operators were losing $4 per resident day on “hotel” (accommodation services) and everyday living costs.

    The taskforce recommends means tested user contributions for room services and everyday living costs be increased.

    It also recommends that wealthier older people be given more choice by allowing them to pay more (per resident day) for better amenities. This would allow providers to fully meet the cost of these services.

    Effectively, this means daily living charges for residents are too low and inflexible and that fees would go up, although the taskforce was clear that low-income residents should be protected.

    Moving from buying to renting rooms

    Currently older people who need residential care have a choice of making a refundable up-front payment for their room or to pay rent to offset the loans providers take out to build facilities. Providers raise capital to build aged care facilities through equity or loan financing.

    However, the taskforce did not consider the overall efficiency of the private capital market for financing aged care or alternative solutions.

    Instead, it recommended capital contributions be streamlined and simplified by phasing out up-front payments and focusing on rental contributions. This echoes the royal commission, which found rent to be a more efficient and less risky method of financing capital for aged care in private capital markets.

    It’s likely that in a decade or so, once the new home care arrangements are in place, there will be proportionally fewer older people in residential aged care. Those who do go are likely to be more disabled and have greater care needs. And those with more money will pay more for their accommodation and everyday living arrangements. But they may have more choice too.

    Although the federal government has ruled out an aged care levy and changes to assets test on the family home, it has yet to respond to the majority of the recommendations. But given the aged care minister chaired the taskforce, it’s likely to provide a good indication of current thinking.The Conversation

    Hal Swerissen, Emeritus Professor, La Trobe University

    This article is republished from The Conversation under a Creative Commons license. Read the original article.

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  • Tinnitus: Quieting The Unwanted Orchestra In Your Ears

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    Tinnitus—When a “minor” symptom becomes disruptive

    Tinnitus (typically: ringing in the ears) is often thought of less as a condition in and of itself, and more a symptom related to other hearing-related conditions. Paradoxically, it can be associated with hearing loss as well as with hyperacusis (hearing supersensitivity, which sounds like a superpower, but can be quite a problem too).

    More than just ringing

    Tinnitus can manifest not just as ringing, but also as whistling, hissing, pulsing, buzzing, hooting, and more.

    For those who don’t suffer from this, it can seem very trivial; for those who do… Sometimes it can seem trivial too!

    But sometimes it’s hard to carry on a conversation when at random moments it suddenly sounds like someone is playing a slide-whistle directly into your earhole, or like maybe a fly got stuck in there.

    It’s distracting, to say the least.

    What causes it?

    First let’s note, tinnitus can be acute or chronic. So, some of these things may just cause tinnitus for a while, whereas some may give you tinnitus for life. In some cases, it depends on how long the thing in question persisted for.

    A lot of things can cause it, but common causes include:

    • Noise exposure (e.g. concerts, some kinds of industrial work, war)
    • High blood pressure
    • Head/neck injuries
    • Ear infection
    • Autoimmune diseases (e.g. Type 1 Diabetes, Lupus, Multiple Sclerosis)

    So what can be done about it?

    Different remedies will work (or not) for different people, depending on the cause and type of tinnitus.

    Be warned also: some things that will work for one person’s tinnitus will make another person’s worse, so you might need to try a degree of experimentation and some of it might not be fun!

    That in mind, here are some things you might want to try if you haven’t already:

    • Earplugs or noise-canceling headphones—while tinnitus is an internal sound, not external, it often has to do with some part(s) of your ears being unduly sensitive, so giving them less stimulus may ease the tinnitus that occurs in reaction to external noise.
    • White noise—if you also have hyperacusis, a lower frequency range will probably not hurt the way a higher range might. If you don’t also have hyperacusis, you have more options here and this is a popular remedy. Either way, white noise outperforms “relaxing” soundscapes.
    • Hearing aids—counterintuitively, for some people whose tinnitus has developed in response to hearing loss, hearing aids can help bring things “back to normal” and eliminate tinnitus in the process.
    • Customized sound machines—if you have the resources to get fancy, science currently finds this to be best of all. They work like white noise, but are tailored to your specific tinnitus.

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  • Want to sleep longer? Adding mini-bursts of exercise to your evening routine can help – new study

    10almonds is reader-supported. We may, at no cost to you, receive a portion of sales if you purchase a product through a link in this article.

    Exercising before bed has long been discouraged as the body doesn’t have time to wind down before the lights go out.

    But new research has found breaking up a quiet, sedentary evening of watching television with short bursts of resistance exercise can lead to longer periods of sleep.

    Adults spend almost one third of the 24-hour day sleeping. But the quality and length of sleep can affect long-term health. Sleeping too little or waking often in the night is associated with an increased risk of heart disease and diabetes.

    Physical activity during the day can help improve sleep. However, current recommendations discourage intense exercise before going to bed as it can increase a person’s heart rate and core temperature, which can ultimately disrupt sleep.

    Nighttime habits

    For many, the longest period of uninterrupted sitting happens at home in the evening. People also usually consume their largest meal during this time (or snack throughout the evening).

    Insulin (the hormone that helps to remove sugar from the blood stream) tends to be at a lower level in the evening than in the morning.

    Together these factors promote elevated blood sugar levels, which over the long term can be bad for a person’s health.

    Our previous research found interrupting evening sitting every 30 minutes with three minutes of resistance exercise reduces the amount of sugar in the bloodstream after eating a meal.

    But because sleep guidelines currently discourage exercising in the hours before going to sleep, we wanted to know if frequently performing these short bursts of light activity in the evening would affect sleep.

    Activity breaks for better sleep

    In our latest research, we asked 30 adults to complete two sessions based in a laboratory.

    During one session the adults sat continuously for a four-hour period while watching streaming services. During the other session, they interrupted sitting by performing three minutes of body-weight resistance exercises (squats, calf raises and hip extensions) every 30 minutes.

    After these sessions, participants went home to their normal life routines. Their sleep that evening was measured using a wrist monitor.

    Our research found the quality of sleep (measured by how many times they woke in the night and the length of these awakenings) was the same after the two sessions. But the night after the participants did the exercise “activity breaks” they slept for almost 30 minutes longer.

    Identifying the biological reasons for the extended sleep in our study requires further research.

    But regardless of the reason, if activity breaks can extend sleep duration, then getting up and moving at regular intervals in the evening is likely to have clear health benefits.

    Time to revisit guidelines

    These results add to earlier work suggesting current sleep guidelines, which discourage evening exercise before bed, may need to be reviewed.

    As the activity breaks were performed in a highly controlled laboratory environment, future research should explore how activity breaks performed in real life affect peoples sleep.

    We selected simple, body-weight exercises to use in this study as they don’t require people to interrupt the show they may be watching, and don’t require a large space or equipment.

    If people wanted to incorporate activity breaks in their own evening routines, they could probably get the same benefit from other types of exercise. For example, marching on the spot, walking up and down stairs, or even dancing in the living room.

    The key is to frequently interrupt evening sitting time, with a little bit of whole-body movement at regular intervals.

    In the long run, performing activity breaks may improve health by improving sleep and post-meal blood sugar levels. The most important thing is to get up frequently and move the body, in a way the works best for a person’s individual household.

    Jennifer Gale, PhD candidate, Department of Human Nutrition, University of Otago and Meredith Peddie, Senior Lecturer, Department of Human Nutrition, University of Otago

    This article is republished from The Conversation under a Creative Commons license. Read the original article.

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