Why your sleep and wake cycles affect your mood

It’s no accident that most people tend to sleep at night and are awake during the day. Our sleep-wake cycle is determined by our circadian rhythm, the body’s internal clock. Like old-time clocks, this internal clock needs to be reset every day, and is adjusted by first exposure to light in the morning. How does circadian rhythm work? Our circadian rhythms are controlled by multiple genes and are responsible for a variety of important functions, including daily fluctuations in wakefulness, body temperature, metabolism, digestion, and hunger. Circadian rhythm also controls memory consolidation (the formation of long-term memories occurs during sleep); the timing of hormone secretion (for example, the hormones controlling body growth work mostly at night); and body healing. While the circadian sleep phase typically occurs at night, there are a range of times during which the sleep phase can occur, with some people programmed to sleep from early evening to early morning (known as morning larks), while others stay up late and sleep late (known as night owls). In addition to determining the timing of their sleep, a person’s circadian tendency can also affect their choice of emotional coping skills, such as assertiveness or rationalization, and their predisposition to psychological disorders. How does your circadian rhythm impact your mood? An irregular circadian rhythm can have a negative effect on a person’s ability to sleep and function properly, and can r...
Source: Harvard Health Blog - Category: Consumer Health News Authors: Tags: Behavioral Health Mental Health Sleep Source Type: blogs

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Source: European Journal of Sport Science - Category: Sports Medicine Authors: Source Type: research
Acceptance of trauma can also help to reduce its damaging effects. → Support PsyBlog for just $5 per month. Enables access to articles marked (M) and removes ads. → Explore PsyBlog's ebooks, all written by Dr Jeremy Dean: Accept Yourself: How to feel a profound sense of warmth and self-compassion The Anxiety Plan: 42 Strategies For Worry, Phobias, OCD and Panic Spark: 17 Steps That Will Boost Your Motivation For Anything Activate: How To Find Joy Again By Changing What You Do
Source: PsyBlog | Psychology Blog - Category: Psychiatry & Psychology Authors: Tags: Sleep subscribers-only Source Type: blogs
The behavior is linked to more white matter, the brain's 'superhighway'. → Support PsyBlog for just $5 per month. Enables access to articles marked (M) and removes ads. → Explore PsyBlog's ebooks, all written by Dr Jeremy Dean: Accept Yourself: How to feel a profound sense of warmth and self-compassion The Anxiety Plan: 42 Strategies For Worry, Phobias, OCD and Panic Spark: 17 Steps That Will Boost Your Motivation For Anything Activate: How To Find Joy Again By Changing What You Do
Source: PsyBlog | Psychology Blog - Category: Psychiatry & Psychology Authors: Tags: Intelligence Source Type: blogs
Publication date: October 2020Source: Brain, Behavior, and Immunity, Volume 89Author(s): Mario Gennaro Mazza, Rebecca De Lorenzo, Caterina Conte, Sara Poletti, Benedetta Vai, Irene Bollettini, Elisa Maria Teresa Melloni, Roberto Furlan, Fabio Ciceri, Patrizia Rovere-Querini, COVID-19 BioB Outpatient Clinic Study group, Francesco Benedetti
Source: Brain, Behavior, and Immunity - Category: Neurology Source Type: research
Publication date: October 2020Source: Brain, Behavior, and Immunity, Volume 89Author(s): Xiaoqin Liu, Trine Munk-Olsen, Clara Albiñana, Bjarni J. Vilhjálmsson, Emil M. Pedersen, Vivi Schlünssen, Marie Bækvad-Hansen, Jonas Bybjerg-Grauholm, Merete Nordentoft, Anders D. Børglum, Thomas Werge, David M. Hougaard, Preben B. Mortensen, Esben Agerbo
Source: Brain, Behavior, and Immunity - Category: Neurology Source Type: research
Authors: Geoffroy PA, Micoulaud Franchi JA, Lopez R, Schroder CM, membres du consensus Mélatonine SFRMS Abstract Melatonin is a hormone secreted by the pineal gland at night. This hormone has many physiological functions, the main one being to synchronise individuals' biological rhythms. Exogenous melatonin has the same chronobiotic action, even at small doses (0.125mg). In addition, a sleep-inducing (soporific) action appears to occur in a dose-effect relationship, i.e. as the dose increases. In psychiatric disorders, these two effects could have interesting applications in clinical practice. The French ins...
Source: L Encephale - Category: Psychiatry Tags: Encephale Source Type: research
Despite its name, atypical depression is one of the most common types of depression, affecting between 25 to 40 percent of depressed people. Because the symptoms differ from those of typical depression, this subtype of depression is often misdiagnosed. Atypical depression was named in the 1950s to classify a group of patients who did not respond to electroconvulsive therapy or to the tricyclic antidepressant Tofranil (imipramine). They did, however, respond to monoamine oxidase inhibitor (MAOI) antidepressants. Some of the same treatments that work for classic depression work for atypical depression, such as selective sero...
Source: World of Psychology - Category: Psychiatry & Psychology Authors: Tags: Depression Mental Health and Wellness Atypical Depression Major Depressive Episode Mood Disorder Source Type: blogs
Although my mood seems to be better with more sun, I understand why a substantial number of folks get more depressed in the summer. Extreme heat is hard to tolerate. In fact, in a study published in Science in 2013, researchers reported that as temperatures rose, the frequency of interpersonal violence increased by 4 percent, and intergroup conflicts by 14 percent. There are four distinct types of people when it comes to weather and mood, according to a study published in Emotion in 2011. Summer Lovers (better mood with warmer and sunnier weather) Unaffected (weak associations between we...
Source: World of Psychology - Category: Psychiatry & Psychology Authors: Tags: Alternative and Nutritional Supplements Bipolar Depression Personal Research Self-Help Sleep Bipolar Disorder Depressive Episode Dysthymia Major Depressive Disorder Mood Disorder Ruminating Sadness Seasonal Affective Disorder Source Type: blogs
Following my post on my recent depression setback, I heard from many readers who were comforted to know that they were not alone. As I said in that piece, if you suffer from chronic depression, you know all too well that setbacks happen — even to those of us who think we’re doing everything right to protect our limbic systems from intense sadness and anxiety. I thought I would follow up, then, by listing some nuggets and things to remember that help me when I’m in a bad place. I hope they might help you, too. 1. Watch the Panic When my son was about 9 months old, loving to climb on everything but not yet ...
Source: World of Psychology - Category: Psychiatry & Psychology Authors: Tags: Bipolar Depression Inspiration & Hope Personal Self-Help Depressive Episode Major Depressive Disorder Mood Disorder Seasonal Affective Disorder Suicidal Thoughts Suicide Risk Source Type: blogs
In 2016, Behind the Headlines covered more than 300 health stories that made it into the mainstream media. If you've been paying attention you should find this quiz easy and fun. Answers are at the foot of the page (no peeking!).   In January 2016's health news... In a controversial study, monkeys were genetically engineered to develop what condition? Sex addiction Bipolar disorder Autism In a similarly controversial study, what psychological condition was dismissed as a "myth"? Seasonal affective disorder Agoraphobia Social anxiety disorder In February 2016's health news... Brain scans...
Source: NHS News Feed - Category: Consumer Health News Tags: Special reports QA articles Source Type: news
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