• Parkinson’s reversal? One drug brings dying brain cells back to life
    Thursday, July 3, 2025 from ScienceDaily: Insomnia News
    Stanford researchers discovered that dialing down an overactive enzyme, LRRK2, can regrow lost cellular “antennae” in key brain cells, restoring vital dopamine communication and neuroprotective signals in a mouse model of genetic...
  • How can we make fewer mistakes? US Navy invests $860k in placekeeping
    Thursday, June 19, 2025 from ScienceDaily: Insomnia News
    With $860K in Navy funding, MSU psychologists are developing tools to spot people who can handle complex tasks under pressure. The key? Mastering "placekeeping" staying focused and accurate even when sleep-deprived or interrupted.
  • Humans are seasonal creatures, according to our circadian rhythms
    Wednesday, May 28, 2025 from ScienceDaily: Insomnia News
    It's tempting to think that, with our fancy electric lights and indoor bedrooms, humanity has evolved beyond the natural influence of sunlight when it comes to our sleep routines. But new research shows that our circadian rhythms are...
  • Don't hit snooze on new research about waking up each morning
    Monday, May 19, 2025 from ScienceDaily: Insomnia News
    Sleep experts recommend against snoozing after a wake-up alarm, but a study shows the practice is common, with more than 50% of sleep sessions logged ending in a snooze alarm and users spending 11 minutes on average snoozing.
  • Scientists discover new way the brain learns
    Wednesday, May 14, 2025 from ScienceDaily: Insomnia News
    Neuroscientists have discovered that the brain uses a dual system for learning through trial and error. This is the first time a second learning system has been identified, which could help explain how habits are formed and provide a...
  • Lack of sleep can increase the risk of cardiovascular disease
    Thursday, May 8, 2025 from ScienceDaily: Insomnia News
    Even a few nights with insufficient sleep promote molecular mechanisms linked to a greater risk of heart problems. This has been shown in a new study in which the researchers investigated how sleep deprivation affects biomarkers (in this...
  • Sleep apnea during REM sleep linked to memory-related brain changes
    Wednesday, May 7, 2025 from Sleep Disorders News -- ScienceDaily
    Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood vessels, according to a new study. The study...
  • Discovery of dopamine receptors in a previously overlooked part of the brain sheds light on the complex circuitry for anxiety and depression
    Wednesday, May 7, 2025 from ScienceDaily: Insomnia News
    Researchers have discovered distinct roles for two dopamine receptors located on nerve cells within the portion of the brain that controls approach vs. avoidance behavior.
  • Dopamine signals when a fear can be forgotten
    Monday, April 28, 2025 from ScienceDaily: Insomnia News
    A new study shows how a dopamine circuit between two brain regions enables mice to extinguish fear after a peril has passed.
  • Link between heart attack severity and circadian rhythm unveiled
    Wednesday, April 23, 2025 from ScienceDaily: Insomnia News
    The molecular mechanism behind why heart attacks can vary in severity depending on the time of day has been uncovered, potentially paving the way for innovative treatments that align with the natural circadian rhythm.
  • Adolescents who sleep longer perform better at cognitive tasks
    Tuesday, April 22, 2025 from ScienceDaily: Insomnia News
    Adolescents who sleep for longer -- and from an earlier bedtime -- than their peers tend to have improved brain function and perform better at cognitive tests, researchers have shown. But the study of adolescents in the US also showed...
  • How dopamine helps us learn to avoid bad outcomes
    Tuesday, April 22, 2025 from ScienceDaily: Insomnia News
    Dopamine is the brain's motivational spark, driving us to chase what feels good, say scrolling another reel on social media, and steer clear of what doesn't, like touching a hot stove. But scientists haven't fully understood how dopamine...
  • Insomnia and sleep medication use connected to disability in older adults
    Friday, April 18, 2025 from Sleep Disorders News -- ScienceDaily
    For adults over the age of 65, higher levels of both insomnia symptoms and sleep medication use were associated with higher risk of disability a year later, according to a new study.
  • How disturbed signaling pathways could promote epileptic seizures
    Wednesday, April 16, 2025 from ScienceDaily: Insomnia News
    Focal cortical dysplasia (FCD) type 2 is a congenital malformation of the cerebral cortex that is often associated with difficult-to-treat epilepsy. In the affected areas, nerve cells and their layer structures are arranged in an...
  • How circadian clocks maintain robustness in changing environments
    Tuesday, April 15, 2025 from ScienceDaily: Insomnia News
    New research has uncovered how a simple circadian clock network demonstrates advanced noise-filtering capabilities, enhancing our understanding of how biological circuits maintain accuracy in dynamic natural environments.
  • Sleep matters: Duration, timing, quality and more may affect cardiovascular disease risk
    Monday, April 14, 2025 from ScienceDaily: Insomnia News
    Healthy sleep includes multiple components, such as number of hours of sleep per night, how long it takes to fall asleep, daytime functioning and self-reported sleep satisfaction, and addressing these different dimensions of sleep may...
  • Stress, depression factor into link between insomnia, heavy drinking
    Monday, April 14, 2025 from ScienceDaily: Insomnia News
    A new study suggests that perceived stress and depression factor into the relationship between insomnia and hazardous drinking -- perhaps not a surprise. But because the relationship between insomnia and heavy drinking goes in both...
  • Brain pathway links inflammation to loss of motivation, energy in advanced cancer
    Thursday, April 10, 2025 from ScienceDaily: Insomnia News
    Researchers identified a direct connection between cancer-related inflammation and the loss of motivation characteristic of advanced cancer. In a mouse study, they describe a brain pathway that starts with neurons (labeled in green,...
  • What links cannabis use and psychosis? Researchers point to brain's dopamine system
    Wednesday, April 9, 2025 from ScienceDaily: Insomnia News
    A new study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with psychosis.
  • Beyond jet lag: New study unveils extent of travel-related sleep disruption from 1.5 million nights of data
    Wednesday, April 9, 2025 from ScienceDaily: Insomnia News
    A collaborative study found that while sleep duration recovers quickly, sleep timing and sleep architecture can take significantly longer to realign when traveling across time zones.
  • Exercise as an anti-aging intervention to avoid detrimental impact of mental fatigue
    Thursday, April 3, 2025 from ScienceDaily: Insomnia News
    Retired adults who habitually exercised outperformed sedentary adults in physical and cognitive tests.
  • Medicinal cannabis is linked to long-term benefits in health-related quality of life, study finds
    Wednesday, April 2, 2025 from ScienceDaily: Insomnia News
    Patients prescribed medicinal cannabis in Australia maintained improvements in overall health-related quality of life (HRQL), fatigue, and sleep disturbance across a one-year period, according to a new study. Anxiety, depression,...
  • PET imaging confirms direct involvement of dopamine in cognitive flexibility
    Friday, March 28, 2025 from ScienceDaily: Insomnia News
    Scientists have confirmed a neurobiochemical link between dopamine and cognitive flexibility. PET imaging shows that the brain increases dopamine production when completing cognitively demanding tasks, and that the more dopamine...
  • Scientists discover why obesity takes away the pleasure of eating
    Wednesday, March 26, 2025 from ScienceDaily: Insomnia News
    Many obese people report losing pleasure in eating rich foods -- something also seen in obese mice. Scientists have now discovered the reason. Long-term high-fat diets lower levels of neurotensin in the brain, disrupting the dopamine...
  • Sleepier during the day? For some older people, it's linked to twice the dementia risk
    Wednesday, March 19, 2025 from ScienceDaily: Insomnia News
    For women in their 80s, experiencing increasing sleepiness during the day over a five-year period is associated with double the risk of developing dementia during that time, according to a new study. The study does not prove that daytime...
  • New AI model analyzes full night of sleep with high accuracy in largest study of its kind
    Monday, March 17, 2025 from ScienceDaily: Insomnia News
    Researchers have developed a powerful AI tool, built on the same transformer architecture used by large language models like ChatGPT, to process an entire night's sleep. To date, it is one of the largest studies, analyzing 1,011,192...
  • Dopamine's unexpected role in memory devaluation
    Wednesday, March 12, 2025 from ScienceDaily: Insomnia News
    New research expands on current understanding of the brain chemical dopamine, finding that it plays a role in reducing the value of memories associated with rewards. The study opens new avenues for understanding dopamine's role in the...
  • Dopamine signals in primate brains
    Wednesday, March 12, 2025 from ScienceDaily: Insomnia News
    We're all familiar with Pavlovian conditioning, in which a reward-anticipatory behavior follows a reward-predicting stimulus. Perhaps you experience it yourself when passing a cafe or restaurant and catching a whiff of something...
  • Clinical trial tests novel stem-cell treatment for Parkinson's disease
    Sunday, March 9, 2025 from ScienceDaily: Insomnia News
    A recently launched Phase 1 clinical trial is examining the safety and feasibility of a groundbreaking treatment approach for Parkinson's disease in which a patient's stem cells are reprogrammed to replace dopamine cells in the brain....
  • When you get hurt matters: Circadian rhythms affect muscle repair
    Wednesday, March 5, 2025 from ScienceDaily: Insomnia News
    The body's internal clock doesn't just dictate when we sleep -- it also determines how quickly our muscles heal. A new study in mice suggests that muscle injuries heal faster when they occur during the body's natural waking hours.
  • The pupil as a window into the sleeping brain
    Wednesday, March 5, 2025 from ScienceDaily: Insomnia News
    For the first time, researchers have been able to observe how the pupils react during sleep over a period of several hours. A look under the eyelids showed them that more happens in the brain during sleep than was previously assumed.
  • Role of hormone in influencing brain reward pathway and food preferences
    Tuesday, February 25, 2025 from ScienceDaily: Insomnia News
    When faced with multiple food options and ultimately choosing one, the factors of that decision-making process may be more physiological than previously assumed. A group of scientists recently discovered that the hormone fibroblast...
  • How humans learn to optimize working memory
    Monday, February 24, 2025 from ScienceDaily: Insomnia News
    Working memory is what allows humans to juggle different pieces of information in short-term scenarios, like making a mental grocery list and then going shopping or remembering and then dialing a phone number. While scientists agree that...
  • Impacts of workplace bullying on sleep can be 'contagious' between partners
    Friday, February 21, 2025 from ScienceDaily: Insomnia News
    Workplace bullying affects not only the employee's sleep but their partner's too, according to new research published today.
  • Biological clock plays critical role in driving teens' late-day eating habits
    Monday, February 17, 2025 from ScienceDaily: Insomnia News
    The causes of obesity are complex and influenced by many factors. While research has highlighted connections between sleep, eating patterns and weight gain, scientists remain uncertain of the role of the circadian system -- the...
  • Research in fruit flies pinpoints brain pathways involved in alcohol-induced insomnia
    Thursday, February 6, 2025 from ScienceDaily: Insomnia News
    Research in fruit flies has identified specific groups of cholinergic brain cells that are involved in alcohol-induced insomnia. This work could ultimately lead to targeted treatments for alcohol-related sleep loss, helping people...
  • 'Sleep hygiene': How FIFO workers can get a better night's sleep
    Wednesday, January 29, 2025 from ScienceDaily: Insomnia News
    Better sleep hygiene could see fly-in, fly-out (FIFO) mining shift workers get a better night's sleep, new research has shown.
  • Delayed REM sleep could be an early sign of Alzheimer's
    Monday, January 27, 2025 from ScienceDaily: Insomnia News
    Scientists have recently shown that both the quality and the amount of sleep we get may influence our risk of developing Alzheimer's disease.
  • What drives mood swings in bipolar disorder? Study points to a second brain clock
    Monday, January 27, 2025 from ScienceDaily: Insomnia News
    A brain rhythm working in tandem with the body's natural sleep-wake cycle may explain why bipolar patients alternate between mania and depression, according to new research. A new study marks a breakthrough in understanding what drives...
  • Researchers track sharp increase in diagnoses for sedative, hypnotic and anxiety use disorder in young adults
    Thursday, January 23, 2025 from ScienceDaily: Insomnia News
    The prevalence of diagnosed disorders from recurrent use of sedative, hypnotic and anti-anxiety medications in adolescents and young adults has increased sharply since 2001, according to researchers. Their study examined diagnoses of...
  • A way for smartwatches to detect depression risks
    Wednesday, January 22, 2025 from ScienceDaily: Insomnia News
    A international research team developed a digital biomarker for predicting symptoms of depression based on data collected by smartwatches.
  • Scientists identify neurons in mice that, once activated, can change body's metabolic rate, induce hibernation-like state
    Tuesday, January 21, 2025 from ScienceDaily: Insomnia News
    A new study has identified a group of neurons that, when activated, can induce a hypometabolic state, akin to hibernation. The discovery could have far-reaching implications for conditions like obesity, cardiometabolic diseases, and even...
  • Brains of people with sickle cell disease appear older
    Friday, January 17, 2025 from ScienceDaily: Insomnia News
    A new study has found older-looking brains in adults with sickle cell disease, helping to explain the cognitive challenges experienced by such individuals. A brain image from a healthy individual (left) shows a larger brain with more...
  • Waking up is not stressful, study finds
    Tuesday, January 14, 2025 from ScienceDaily: Insomnia News
    Waking up does not activate an increase in the release of the stress hormone cortisol. Cortisol does, however, increase in the hours prior to wakening as part of the body's preparation for the next day, new research has found.
  • Global study pinpoints genes for depression across ethnicities
    Tuesday, January 14, 2025 from ScienceDaily: Insomnia News
    New genetic risk factors for depression have been identified across all major global populations for the first time, allowing scientists to predict risk of depression regardless of ethnicity. The world's largest and most diverse genetic...
  • Researchers unravel a novel mechanism regulating gene expression in the brain that could guide solutions to circadian and other disorders
    Wednesday, January 8, 2025 from ScienceDaily: Insomnia News
    A collaborative effort has shed valuable light on how monoamine neurotransmitters such as serotonin, dopamine, and now histamine help regulate brain physiology and behavior through chemical bonding of these monoamines to histone...
  • Your work habits may be threatening your sleep
    Tuesday, January 7, 2025 from ScienceDaily: Insomnia News
    A new study examined data from more than 1,000 workers over a 10-year period. Sedentary workers experience a 37% increase in insomnia-like symptoms. Employees working nontraditional schedules experience a 66% greater risk of needing...
  • Brain study challenges long-held views about Parkinson's movement disorders
    Friday, January 3, 2025 from ScienceDaily: Insomnia News
    Researchers uncovered new findings about involuntary muscle movements that come with long-term administration of Parkinson's drug levodopa.
  • More calories -- more consumption: Individuals with and without obesity both prefer high-calories food, study finds
    Tuesday, December 17, 2024 from ScienceDaily: Insomnia News
    Higher calorie foods were preferred among individuals with and without obesity despite similar taste and texture, according to a new study.
  • Breathing coordinates brain rhythms for memory consolidation during sleep
    Monday, December 16, 2024 from ScienceDaily: Insomnia News
    Just as a conductor coordinates different instruments in an orchestra to produce a symphony, breathing coordinates hippocampal brain waves to strengthen memory while we sleep, reports a new study. This is the first time breathing rhythms...
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