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The Link Between Sleep and Mental Illness

Mental health relies on quality rest, new research confirms.

A good night’s sleep can do wonders for well-being. Folks who report being well-rested exhibit better cognitive functioning (the ability to focus, learn new information, and retrieve knowledge from memory), self-control, lower anxiety, higher pain tolerance, and healthier blood pressure levels than folks who report disturbed sleep. Sleep disturbances also simultaneously contribute to mental illnesses (ranging from generalized anxiety disorder and depression to bipolar disorder and schizophrenia) while also being hallmarks of them.

Most studies examining sleep’s relationship with mental illness, however, ask participants to self-report how good or poor their nightly Z’s are. Wanting to gain a more definitive look at the link between sleep quality and mental health, a team of researchers led by Michael Wainberg, of Toronto, Canada’s Centre for Addiction and Mental Health, tracked the sleep activity of 89,205 individuals by outfitting them with an accelerometer that measured their movements during the day and evening and correlated this data with participants’ histories of inpatient psychiatric admissions for depression, anxiety, schizophrenia, and bipolar disorder as well as their genetic risks for various mental health issues. Data on psychiatric admissions and genetic risk were culled from the UK Biobank, a database containing hundreds of thousands of individuals’ genetic and behavioral information.

The Study

Wainberg et al.’s results, published in a recent edition of PLOS MEDICINE, found that accelerometer-derived sleep measures (which included bedtime and wake-up times, duration of sleep, and the number of times waking after falling asleep) significantly predicted participants’ psychiatric inpatient histories as well as their genetic risks of mental illness. More specifically, Wainberg’s team found that it wasn’t so much total sleep duration that predicted participants’ mental illness risk but rather the quality of the sleep they got during the time they were in bed: Participants whose accelerometers revealed that they woke more often after falling asleep and remained asleep for shorter bouts between bedtime and wake-up time were more likely to have met the criteria for a mental illness within their lifetime—and to be genetically predisposed to mental illness.

Why Do Sleep Disturbances and Mental Illness Go Hand in Hand?

There are several reasons why sleep disturbances may be linked with impoverished mental health. When we sleep, we generate new neural connections—a process called neurogenesis—particularly in a region of our brain associated with memory, mood, and emotion called the hippocampus. Inadequate sleep impairs neurogenesis, and impaired neurogenesis in the hippocampus has been found to contribute to depression as well as schizophrenia and drug addiction.

Insomnia and mental illness may also share a common underlying genetic predisposition: The same sets of genes that increase one’s risk of anxiety, depression, schizophrenia, and bipolar disorder may also increase one’s risk of poor sleep. Mental illness and insomnia may also arise from a person’s trauma history. It is well known that trauma—especially childhood trauma—predicts a host of poor mental (and physical) health outcomes, including insomnia. Trauma dysregulates our arousal systems, leaving us more hyper-vigilant and thus less able to sleep peacefully and soundly (and more likely to have nightmares). Trauma also increases system-wide inflammation, which has been associated with various mental illnesses including bipolar disorder, schizophrenia, generalized anxiety disorder, and depression.

sleepless

What This Means for Us

Not everyone who struggles with insomnia is destined to struggle with mental illness. But chronic sleep disturbances can and do give rise to impaired mental health, not to mention impaired interpersonal functioning and physical health. Even among individuals who do not meet the criteria for a mental illness, poor sleep quality is linked to increased psychological distress and relentlessly sleepless nights are found to nearly double one’s risk of depression and markedly raise one’s risk of future anxiety disorders. Getting adequate rest is critical to a healthy mind and body.

As the researchers note, “sleep problems are both symptoms of and modifiable risk factors for many psychiatric disorders.” Up to 20 percent of all adults in Western countries are estimated to struggle with insomnia. Strategies to improve sleep (think: psychopharmacological interventions, cognitive-behavioral therapies, noninvasive brain stimulation, and general sleep hygiene interventions—like reducing caffeine and alcohol consumption, keeping lights dim, and avoiding screens an hour before bedtime) should be more routinely used to help treat and prevent mental illnesses. Additionally, mental illnesses may be more effectively detected at earlier stages by regular sleep quality screenings—say, at annual primary care physician assessments or even at each visit to an emergency room or urgent care center.

If you struggle with insomnia, talk to your doctor about treatment options, or consider downloading the CBTi Coach app (developed by Stanford University researchers in collaboration with the U.S. Department of Veterans Affairs to help treat PTSD symptoms, including insomnia) that uses evidence-based cognitive-behavioral techniques to improve sleep quality and duration. And don’t forget to check out this website’s excellent therapist directory to get support with any psychological issue you may be up against that could be contributing to sleepless nights.

About the Author

Katherine Schreiber, MFA, LMSW, is a writer and social worker based in New York City who specializes in working with adults with severe mental illnesses, like schizophrenia.

Posted October 16, 2021 |  Reviewed by Lybi Ma

source: www.psychologytoday.com


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Massive Study Yields Exciting Findings about Gut Health and the Microbiome

Gut health could be the biggest trend in the health field right now. Everywhere I turn people are discussing the importance of their gut health and how it is linked to their overall health, as well as the benefits of probiotics. And, for good reason: a growing body of research shows that what happens in our gut expands well beyond the gut.

Now new research shows that the health of your gut is significantly influenced by what you eat. A new study assessed 15096 fecal samples provided by 11336 people, published in the journal of the American Society for Microbiology, found some exciting facts about gut health and the microbiome, which is the total of all the microbes in a living being.

We each have a microbiome and no two microbiomes are alike, although there can be some similarities between them. The microbiome is a sort of microbial fingerprint. And, thanks to the new research, we have greater insight into the effect of diet on our microbiome. Here are some of the findings from this exciting study:

1) Plant-based diets produce the most diverse microbiomes. Diverse microbiomes seem to confer health benefits. Consider people who struggle to lose weight: earlier research in the journal Beneficial Microbes shows that they tend to have less diverse strains of beneficial bacteria and a lower ratio of beneficial microbes to harmful ones.

2) Eating more than 30 types of plant foods weekly yields the most diverse microbiome. In other words, it’s important to eat a plant-based diet but also one that has tremendous diversity. So, expand your horizons when it comes to trying new vegetables, fruits, nuts, seeds and grains. Your microbiome will thank you. And, who knows? You might even discover a new favorite food.

3) There is a lower incidence of bacterial resistance in those who eat the greatest variety of plant foods weekly. This is great news since more and more varieties of harmful bacteria like E. coli and MRSA are, not only becoming more prevalent, they are also becoming resistant to the typical drug treatment: antibiotics. This is an astounding discovery on its own. We tend to assume that all of a certain variety of bacteria have the same level of potency against humans, but the research shows that people who eat a large variety of plant-based foods are less likely to be host to these disease-causing, resistant bacteria. People who ate more than 30 types of plant foods weekly had less resistance to antibiotics.

4) The gut bacteria of people suffering from mental health issues, including: post-traumatic stress disorder (PTSD), schizophrenia, depression or bipolar disorder were more similar to others suffering from mental disorders than to those who do not suffer from mental disorders. While the scientists conducting the study did not draw any conclusions, there may be a possible connection between gut health and mental health. Certainly other research suggests that is indeed the case. Research in the Journal of Physiological Anthropology found a link between gut bacteria and increased activity in brain pathways that improve brain health and reduce depression risk.

microbiome

How can you reap the benefits of this exciting research?

There are endless ways to boost the variety of plant-based foods you consume, but the following ones should help you get started:

  1.    Start by replacing meat in your diet with plant-based options. Start with Meatless Mondays but don’t hesitate to go meatless the rest of the week as well
  2.    The next time you pass by that odd-looking fruit or vegetable in the produce section of your grocery store, add it to your cart. It’s easy enough to find recipes for lesser-known foods using a quick Internet search. And, most importantly, add the food to your diet.
  3.    Instead of just snacking on almonds or another nut, branch out to try Brazil nuts, cashews, hazelnuts, pecans, pistachios, etc. Choose raw, unsalted varieties.
  4.    Rather than just add a can of kidney beans to your soup, stew, or chili, opt for bean varieties you are less familiar with. That could include: chickpeas, lentils, pinto beans, Romano beans, black beans, navy beans, etc.
  5.    The next time a snack attack strikes, choose a piece of fruit or a bowl of mixed berries.
  6.    When you have a craving for salty foods, choose traditionally-fermented pickles, pickled green beans, pickled beets or other foods with live cultures. Not only will you be getting a wider variety and a greater quantity of plant-based foods, you’ll also help expand the beneficial microbes you consume. Be sure to choose pickled foods that state “live cultures” or “unpasteurized” on the label.

 

Dr. Michelle Schoffro Cook, PhD, DNM is the publisher of the free e-newsletter World’s Healthiest News, the Cultured Cook, co-founder of BestPlaceinCanada, and an international best-selling and 20-time published book author whose works include: The Cultured Cook: Delicious Fermented Foods with Probiotics to Knock Out Inflammation, Boost Gut Health, Lose Weight & Extend Your Life.

By: Michelle Schoffro Cook May 31, 2018
 Follow Michelle at @mschoffrocook
 
source: www.care2.com


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Omega-3s May Protect Against Schizophrenia

Omega-3 supplements may help keep young people with a high risk of schizophrenia from getting the condition, according to a small study.

Back in 2010, Australian researchers reported that taking the supplements for 12 weeks prevented a first episode of a psychotic disorder for up to a year in high-risk study participants ages 13-25. Now, in a follow-up study, the team checked on how 71 of the 81 volunteers were doing.

They found that:

  • 9.8% of the group given omega-3 supplements (4 of 41) developed psychosis, an episode where you lose touch with reality. It’s a symptom of different illnesses, including schizophrenia.
  • 40% of the group given a fake placebo supplement (16 out of 40) developed psychosis.
  • The group not given omega-3s also developed psychosis more quickly and had a higher overall risk of getting other psychiatric disorders.

The study is published in Nature Communications.

 

fish oil

Omega-3 essential fatty acids are widely seen as “good fats.” They can help improve cholesterol balance and lower the risks of heart and joint disease, among other health perks.

Previous research has pointed to a lack of omega-3s and omega-6s being linked with mental health conditions. Some trials have shown that fatty acid supplements can reduce psychotic symptoms.

The Royal College of Psychiatrists in the U.K. says omega-3s have already been linked with improving learning, and may help with mental stability. Doctors sometimes try them as supplements for people with mood problems and schizophrenia, and they may help prevent relapses with bipolar disorder. Talk with your doctor before you start taking any supplement, though.

The college says there is not enough evidence to recommend omega-3s as an alternative to antidepressants or mood-stabilizing medications.

By Tim Locke    WebMD Health News     Reviewed by Arefa Cassoobhoy, MD, MPH    Aug. 11, 2015
 
sources : Amminger, G.P. Nature Communications, 2015.
The Royal College of Psychiatrists: “Eating well and mental health.”
Amminger, G.P. Archives of General Psychiatry, February 2010.
 


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Vitamin D Benefits Common Mental Illnesses By Regulating Serotonin

Study reveals how vitamin D benefits mental disorders, as do omega-3 fatty acids.

Serotonin regulation could explain why vitamin D benefits many brain disorders, as do marine omega-3 fatty acids, a new study finds.

Depression, autism, attention deficit hyperactivity disorder (ADHD), bipolar disorder and even schizophrenia have all been linked to low levels of vitamin D and omega-3.

Low levels of serotonin have been found to impair memory, planning, social behaviour and increase impulsiveness and aggression.

Supplementation with these essential nutrients has shown promise in improving some of these conditions.

Until now, though, scientists have been unsure of the mechanism of how omega-3 and vitamin D benefits such a wide range of conditions.

vitamin D

Vitamin D benefits

The new study, published in the FASEB Journal, finds that the link could be how they interact with serotonin, a vital neurotransmitter (Patrick & Ames, 2015).

Dr Rhonda P. Patrick, the study’s first author,

“In this paper we explain how serotonin is a critical modulator of executive function, impulse control, sensory gating, and pro-social behavior.
We link serotonin production and function to vitamin D and omega-3 fatty acids, suggesting one way these important micronutrients help the brain function and affect the way we behave.”

Vitamin D is mostly produced in the body when sun strikes the skin, which is why these levels tend to be much lower in the winter.

Along with low levels of vitamin D, many people do not eat enough fish and so have low levels of two critical marine omega-3 fatty acids — Eicosapentaenoic acid (EPA) and Docosahexaenoic acid (DHA).

Dr Patrick said:

“Vitamin D, which is converted to a steroid hormone that controls about 1,000 genes, many in the brain, is a major deficiency in the US and omega-3 fatty acid deficiencies are very common because people don’t eat enough fish,”

The researchers think that the correct intake of both omega-3 fatty acids and vitamin D benefits many brain disorders.

source: PsyBlog