Articles Tagged With: sleep
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24-Hour Activity Rhythms and Amyloid-β Deposition in the Brain
This study of dementia-free adults found that greater variability of the 24-hour activity rhythm (greater during the daytime as well as during sleep time) with fragmentation of sleep predicted increased deposition of amyloid-β (Aβ), especially in apolipoprotein E 4 (APOE4) carriers.
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Early Bird or Night Owl: Who’s Mentally Sharper?
A large cross-sectional analysis of adults aged 53-86 years found that people with normal sleep durations while being “night owls” often scored higher on cognitive tests than “early bird” types.
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Sweating for Sleep: Examining Evening Exercise and its Effects on Sleep Duration
This small, randomized crossover trial demonstrates that short, repetitive bouts of early evening exercise lead to an increase in total sleep time compared to prolonged sitting.
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Care Coordination Screening Tool Helps Case Managers Spot Delirium
Case managers and other healthcare providers can improve overall patient care and outcomes using an assessment tool that identifies patients’ delirium and confusion. A health system found that a confusion assessment tool helped decrease hospital length of stay and reduced utilization.
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Neuropeptides in Patients with Restless Legs Syndrome
The diurnal onset of restless legs syndrome (RLS) has been replicated in a mouse model using central instillation of the main melanocortin agonist, α-MSH, which stimulates excessive locomotion and grooming in rodents as well as a state of hyperalgesia. The actions of β-endorphin (β-EDP) oppose those of α-MSH, since β-EDP promotes passivity and analgesia. In this study, these prohormones were measured in plasma and cerebrospinal fluid in patients with RLS and compared to controls. Patients with RLS had elevated levels of α-MSH and lower levels of β-EDP compared to the control group.
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Sleeping Away Dementia
In this long-term observational study of sleep efficiency in the Framingham Heart Study population, researchers found a strong correlation between a decline in duration of slow-wave sleep during aging and the risk of incident dementia from all causes. However, a direct cause-and-effect relationship cannot be determined from this observational study.
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Poor Sleep Patterns Could Raise Stroke Risk
Researchers provide another reason why patients should be resting well every night.
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The Connection Between Bereavement, Sleep, and Inflammation
This study of the association of sleep disturbance with more markers of inflammation in widows and widowers compared to controls revealed self-reported sleep disturbances are more strongly correlated with increased markers of inflammation in bereaved individuals.
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Keep on the Sunny Side: Timing Meals for Better Mental Health
Feelings of anxiety and depression can fluctuate depending on when one eats throughout the day.
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Expert Panel Debunks Common Sleep-Related Myths
Authors identified and deconstructed 10 misconceptions parents hold about teenage nocturnal patterns.