Related Experiment Video
Updated: Sep 17, 2025
06:22
A Precise and Autonomous System for the Detection of Insect Emergence Patterns
Published on: January 9, 2019
5.8K
Being in the right place at the right time
1Department of Psychiatry, University of California, San Diego, CA, United States.
Sleep Advances : a Journal of the Sleep Research Society
|June 27, 2025
Summary
This review details 45 years of sleep research, focusing on sleep disorders and circadian rhythms in aging, neurodegenerative diseases, and cancer. Key findings include the prevalence of sleep apnea and the effectiveness of light therapy and CPAP in patient populations.
Area of Science:
- Gerontology
- Neurology
- Oncology
- Sleep Medicine
Background:
- The author reviews 45 years of research on sleep and circadian rhythms.
- Early work focused on the prevalence of sleep disorders in the elderly, including sleep apnea and periodic limb movements.
Purpose of the Study:
- To summarize research on sleep and circadian rhythms in aging, Alzheimer's disease, Parkinson's disease, and breast cancer.
- To highlight the impact of sleep disruptions and the effectiveness of interventions like light therapy and CPAP.
Main Methods:
- Observational studies and treatment trials were conducted.
- Research involved nursing home residents, patients with Alzheimer's and Parkinson's disease, and women with breast cancer.
- Interventions included light therapy and continuous positive airway pressure (CPAP).
Main Results:
- Common sleep apnea and periodic limb movements were identified in the elderly.
- Disrupted sleep was prevalent in nursing home patients.
- Light therapy improved sleep in nursing home residents.
- CPAP treatment showed effects on sleep and cognition in Alzheimer's and Parkinson's patients.
- Sleep and circadian rhythms were studied in breast cancer patients before chemotherapy.
Conclusions:
- Sleep and circadian rhythm research has significantly advanced understanding in aging and neurological diseases.
- Interventions like light therapy and CPAP can positively impact sleep and cognition.
- Further research is warranted to explore sleep's role in cancer and neurodegeneration.
Keywords:
Alzheimer’s diseaseOSAactigraphyagingcancercircadian rhythmslight therapyneurodegenerative disordersperiodic limb movementssleep apneaMore Related Videos
Related Concept Videos
01:12Hindsight Biases
3.9K
Hindsight bias leads you to believe that the event you just experienced was predictable, even though it really wasn’t. In other words, you knew all along that things would turn out the way they did. Can you relate this to the phrase "Hindsight is 20/20" now?
3.9K
01:08Timing and Consequences on Behavior
157
In operant conditioning, the timing of reinforcement is crucial. For animals like rats and cats, immediate reinforcement (within a few seconds) is much more effective than delayed reinforcement. For example, a food reward for a rat needs to follow within 30 seconds of pressing a bar to be effective.
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant...
Humans, however, can respond to delayed reinforcers. We often make decisions between immediate small rewards and delayed larger rewards. This ability to delay gratification is a significant...
157
01:37Reason and Intuition
6.9K
The human brain processes information for decision-making using one of two routes: an intuitive system and a rational system (Epstein, 1994; popularized by Kahneman, 2011 as System 1 and System 2, respectively). The intuitive system is quick, impulsive, and operates with minimal effort, relying on emotions or habits to provide cues for what to do next, while the rational system is logical, analytical, deliberate, and methodical. Research in neuropsychology suggests that the...
6.9K
01:41Social Traps
23.5K
Social traps are negative situations where people get caught in a direction or relationship that later proves to be unpleasant, with no easy way to back out of or avoid. The concept was orignally introduced by John Platt who applied psychology to Garrett Hardin's "Tragedy of the Commons", where in New England herd owners could let their cattle graze in the common ground. This situation seems like a good idea, but an individual could have an advantage. If they owned...
23.5K
02:09Bystander Effect
9.7K
The discussion of bullying highlights the problem of witnesses not intervening to help a victim. This is a common occurrence, as the following well-publicized event demonstrates. In 1964, in Queens, New York, a 19-year-old woman named Kitty Genovese was attacked by a person with a knife near the back entrance to her apartment building and again in the hallway inside her apartment building. When the attack occurred, she screamed for help numerous times and eventually died from her stab wounds.
9.7K
01:20Principle of Moments
1.9K
The principle of moments, also known as Varignon's theorem, is a fundamental concept in physics and engineering that describes the equilibrium of a rigid body under the influence of external forces. The principle states that the moment of a force about a point is equal to the sum of the moments of the components of the force about the same point.
The moment is calculated by multiplying the magnitude of the force by the perpendicular distance from the point of application to the point about...
The moment is calculated by multiplying the magnitude of the force by the perpendicular distance from the point of application to the point about...
1.9K