Articles tagged with Sleep Disorders
Persistent sleep fragmentation accelerates liver damage and cardiac dysfunction by epigenetically controlling Nox4 expression through Sirt1. Targeting the SIRT1-NOX4 axis offers a promising strategy for mitigating cardio-hepatic damage.
Researchers found that sleep duration returns to baseline within two days, but changes in sleep timing and structure can take more than a week, with eastward travel causing the most disruption. The study analyzed 1.5 million nights of data from wearables like Oura Ring.
A new study finds that increased screen time in teen girls leads to deteriorated sleep quality, with poor sleep mediating the association between screen time and depressive symptoms. Screen time also disrupts multiple aspects of the human sleep-wake cycle.
The American Thoracic Society's ATS 2025 International Conference will showcase cutting-edge research in pulmonary, critical care, and sleep medicine. The conference will include breaking news from leading experts in the field.
Researchers developed a personalized app that tracks users' circadian rhythms and provides behavioral recommendations to reduce daily fatigue. The app, called Arcasync, was tested on 138 participants with breast, prostate, and blood cancer, resulting in decreased fatigue and improved quality of life.
A new study by the Sleep Research Society highlights disparities in representation and inclusion among its members, with historically minoritized individuals facing challenges in feeling welcomed or perceived as inclusive. The findings provide actionable insights to guide future diversity and inclusion initiatives.
CHEST MedCast offers over 400 videos and podcasts with personalized content recommendations, available on-demand and at any time from any device. The platform features an algorithm-based recommendation engine and up to 100 available CME credits/MOC points.
Researchers developed the Boston Mattress Satisfaction Questionnaire (BMSQ) to rigorously assess mattress satisfaction and characteristics. The study found that most people reported being somewhat satisfied with their current mattresses, with an average score of 6.9 out of 10.
Researchers have discovered a blood test that can identify patients with a sleep disorder who are most likely to develop Dementia with Lewy Bodies. The blood test analyzes two proteins in the blood associated with Alzheimer's disease and predicted dementia risk in almost 90% of patients, four years before symptoms appeared.
A recent study published in Molecular Psychiatry suggests that poor sleep quality among older adults disrupts the brain's glymphatic system, leading to memory decline. The research team found that deactivation of the restorative glymphatic system negatively impacts normal brain function and cognitive health.
Researchers at ETH Zurich discovered that pupil dynamics is related to specific patterns of brain activity and arousal levels, contradicting previous assumptions about low arousal during sleep. The study uses pupil measurements to monitor brain activity in humans for the first time.
Researchers developed an AI tool to predict cognitive impairment over the next five years by analyzing brain wave patterns during sleep using EEG. The tool identified subtle differences in brain wave patterns that predicted which participants would later be diagnosed with cognitive impairment.
A new observational study suggests that antidepressants can accelerate cognitive decline in people with dementia, while certain medications appear to be less harmful. Researchers analyzed data from 18,740 patients and found that selective serotonin reuptake inhibitors (SSRIs) were associated with the fastest cognitive decline.
Heavy screen use, particularly social media and video games, is associated with an increased risk of developing manic symptoms in U.S. preteens. The study found that prolonged screen time can lead to behaviors characteristic of bipolar-spectrum disorders, including inflated self-esteem, decreased sleep needs, and impulsivity.
Researchers created printed fabric sensors that can detect tiny skin movements for sleep disorder monitoring. The smart pyjamas achieved an accuracy of 98.6% in identifying six different sleep states, including nasal and mouth breathing, snoring, and teeth grinding.
A comprehensive review published in Brain Medicine maps out the extensive influence of reproductive hormones on neurological health and disease. The study examines how sex hormones affect a broad spectrum of neurological conditions, including vascular disorders, movement disorders, epilepsy, multiple sclerosis, and Alzheimer's disease.
Researchers found two patterns of irregular sleep schedules that can increase cardiac risk in adolescents. Maintaining a regular sleep-wake cycle may protect them from future adverse cardiac outcomes.
The American Heart Association and NFL Alumni Association collaborate to promote healthy lifestyles through Life's Essential 8, which includes four indicators of cardiovascular health and four behavioral/lifestyle factors. By following these steps, adults can lower their risk of heart disease, stroke, and other cardiovascular conditions.
A Maynooth University study found that 84% of Parkinson's patients struggle with sleep issues, linked to depression, independent living difficulties and a decline in quality of life. Sleep problems worsen the severity of 'OFF periods' and are a significant burden on quality of life.
Researchers at McGill University discovered a novel brain mechanism that explains why bipolar patients alternate between mania and depression. A dopamine-based 'second brain clock' controls mood shifts, operating in tandem with the body's natural sleep-wake cycle.
Studies using a rodent model found sustained increase in neural activity in the paraventricular thalamus (PVT) after exposure to a strongly stressful event. This persistent activity is linked to altered behavior, including restlessness and disturbed sleep patterns. The findings suggest a new therapeutic target for stress-related issues.
Researchers at KAIST and U of Michigan developed a digital biomarker to predict symptoms of depression using smartwatch data. The technology estimates circadian rhythm disruption, which can lead to depression, anxiety, and other mental health issues.
Research found that 66% of individuals who perceived their sleep as poor showed no objective sleep problems, while 45% of those who considered their sleep sufficient were identified as potentially sleep-deprived. The study highlights the inadequacy of relying solely on subjective sleep assessments and emphasizes the importance of incor...
A pilot study found that qigong significantly decreases chronic low back pain in US military veterans, improving physical function and reducing sleep disturbance. The holistic practice also showed positive effects on PTSD, depression, anxiety, and social roles, highlighting its potential as a nonpharmacological treatment option.
The AASM Foundation is sponsoring five scholarships of $3,000 each through the HUMAA program to support medical students at Howard University College of Medicine. This initiative aims to empower the next generation of medical professionals and address underrepresentation in sleep medicine.
Researchers at the University of Bristol found no increase in cortisol release after waking, contrary to long-held assumptions. The study's findings suggest that daily cortisol rhythms may play a more significant role in regulating stress responses.
A Mount Sinai-led team has developed an automated machine learning method that analyzes video recordings of clinical sleep tests to detect REM sleep behavior disorder (RBD) with nearly 92% accuracy. RBD is a sleep condition that causes abnormal movements during REM sleep and is often an early sign of Parkinson's disease or dementia.
Researchers discovered that norepinephrine triggers blood vessel constriction to propel cerebrospinal fluid through the brain, clearing out waste. The findings suggest that sleep aids may disrupt this process, potentially affecting long-term cognitive health.
A study published in PNAS found that short-term timing patterns of past brain activity are the primary determinant of sleep spindle timing, accounting for over 70% of its variability. These individualized patterns change with age and provide a new target for understanding how sleep supports memory.
A USF study of over 1,000 employees found that sedentary work and nonstandard schedules are significant threats to sleep health, leading to a 37% increase in insomnia symptoms among sedentary workers and a 66% greater risk of needing catch-up sleep.
A new study published in PNAS found that sleep deprivation leads to memory control deficits, making it harder to suppress unwanted memories. REM sleep rejuvenates brain regions that support memory inhibition, reducing the likelihood of intrusive memories.
A new study finds that women with gestational hypertension and preeclampsia are at increased risk of developing new-onset migraine, headache, epilepsy, sleep disorder, or mental fatigue after giving birth. Follow-up care is recommended for these high-risk patients to monitor for neurological symptoms.
A new study by Northwestern University researchers found that breathing rhythms coordinate hippocampal brain waves during sleep, strengthening memory consolidation. This synchronization is critical for proper memory formation and retrieval, with implications for treating disordered breathing during sleep, such as sleep apnea.
The American Academy of Sleep Medicine recommends permanent sleep telehealth services to expand access to care, improve health equity, and advance treatment adherence. The organization calls for payment parity and increased broadband access to ensure financial viability.
A new study suggests that excessive screen time can lead to reduced sleep quality in preschool-age children, worsening behavioral problems such as poor attention and emotional symptoms. The research also found a correlation between screen time and decreased sleep quality.
Researchers found no correlation between adenotonsillectomies and undesirable weight gain in children with mild sleep-disordered breathing. The study used data from a clinical trial involving 458 children and showed that adenotonsillectomy improved symptoms, blood pressure, and quality of life but not primary neurodevelopmental outcomes.
A new study proves a suspected link between poor sleep and MASLD, a liver disorder that affects 30% of adults. Patients with MASLD experience significant sleep fragmentation, waking up 55% more often at night.
A study published in the Journal of Neuroscience found that sleeping improves ability to remember new words and complex grammatical rules. Researchers tracked brain activity of participants learning a miniature language called Mini Pinyin while sleeping or awake, revealing significant improvements in those who slept.
Researchers at the University of Bonn are developing an AI foundation model to improve radiology and detect Parkinson's disease earlier. The 'Re-Start PD' project aims to identify the condition before symptoms appear, with potential applications in diagnosis, treatment, and prevention.
Scientists at the University of Texas at Austin and UCLA have created an e-tattoo that can measure brain activity using electroencephalography (EEG). The new method uses a camera to map the individual head's shape digitally, allowing for more precise sensor placement. This innovation could transform brain-computer interfaces, making th...
Researchers identified a novel role for the locus coeruleus in facilitating transition between NREM and REM sleep states while maintaining unconscious vigilance. Stress disrupts its functions, negatively impacting sleep quality. The study provides crucial insights into sleep disorders and could lead to improved treatments.
A new study from Rice University and Houston Methodist reveals that NREM sleep enhances neuronal and behavioral performance by fostering brain synchronization and information encoding. Researchers replicated these effects through invasive stimulation, suggesting promising possibilities for future neuromodulation therapies.
A new study found that females sleep less and wake up more often than males, with females experiencing shorter bouts of sleep. The study suggests biological factors may play a role in driving these sleep differences, rather than lifestyle or caregiving roles.
Adolescents who snore frequently exhibit behavior problems like inattention and rule-breaking, but not cognitive decline. The study tracked nearly 12,000 children from age 9-10 to age 15, finding no correlation between snoring and reduced cognitive abilities.
Researchers developed a novel model predicting mood episodes using only sleep-wake pattern data from wearable devices. The study found daily changes in circadian rhythm are key predictors of mood episodes, offering new possibilities for tracking individual changes to prevent future episodes.
The new clinical practice guideline recommends significant changes in the standard treatment of RLS in adults, emphasizing iron evaluation and supplementation. The guideline also suggests alternative treatments, including alpha-2-delta ligand calcium channel blockers and bilateral high-frequency peroneal nerve stimulation.
A new study found that artificial light significantly disrupts the circadian rhythms of honey bees, leading to impaired behaviors and reduced sleep periods. This poses a threat to their essential role as pollinators, supporting ecosystem stability and global food security.
A recent study found that over a quarter of new mothers have fallen asleep while feeding their babies, increasing the risk of sudden infant death syndrome (SIDS). Researchers are urging care providers to inform new moms about the potential risks and provide guidance on safe feeding practices.
A study found that people with excessive daytime sleepiness and a lack of enthusiasm are more likely to develop motoric cognitive risk syndrome, a condition that can lead to dementia. The study suggests that addressing sleep issues may help prevent cognitive decline.
A national-level survey of 1,226 Japanese physicians found that new overtime restrictions led to improved sleep duration, alertness, and reduced burnout. The study supports the use of standardized tests like the PVT-B to objectively assess alertness and mental health.
A recent study published in Neurology has found an association between poor sleep quality and signs of brain aging in late middle age. People with difficulty falling or staying asleep, as well as those who wake up early morning, had more signs of poor brain health
A University of Michigan-led study found that treatment with either modafinil or cognitive behavioral therapy alone was associated with significant reductions in fatigue over 12 weeks. A combination of both treatments worked as well as each individual treatment but did not result in better fatigue scores.
A new study has identified two neuron types in the brainstem that induce REM sleep, revealing a potential cause of Parkinson's disease. The discovery provides insight into the neural circuitry underlying REM sleep and its relationship to neurodegenerative diseases.
The study aims to examine how racism, housing instability, screen time and stress affect young children's sleep. Most healthy adults need at least seven hours of sleep nightly, but young children require more: Infants need 12-16 hours with naps, while toddlers and preschoolers need 11-13 hours.
A study by UC San Francisco found that more screen time is associated with severe symptoms of depression, anxiety, inattention, and aggression in 9-10 year olds. The effects were small but consistent, with activities like video chatting and playing video games strongly linked to depressive symptoms.
Researchers identified a protein called Casein Kinase 1 delta (CK1δ) that regulates our biological clock by tagging other proteins to fine-tune circadian rhythms. The discovery highlights how a small part of CK1δ can greatly influence its overall activity, opening new avenues for treating disorders related to the body clock.
A study published in Environmental Advances found a significant association between four types of PFAS and poor sleep in young adults. The researchers identified genes involved in the body's natural defenses and a hormone that regulates sleep, shedding light on the underlying mechanisms of PFAS' impact on sleep.
Researchers developed a novel molecular tool, SYNCit-K, that enhances synaptic strength, leading to induced sleep and improved sleep quality in mice. The study reveals the role of synaptic connections in controlling sleep homeostasis.
A new wearable sensor detects wheezing in children with high accuracy, overcoming humidity and temperature limitations. The integration of carbon nanotubes into electrospun polyacrylonitrile scaffolds enables accurate exhaled gas detection.
A randomized clinical trial shows that transitioning insomnia care away from long-term sedatives to cognitive behavioral therapy can be achieved through a mailed, direct-to-patient approach. This method reduces sedative use and improves sleep outcomes in older adults.