scholarly journals Atrial Fibrillation and Objective Sleep Quality by Slow Wave Sleep

2018 ◽  
Vol 11 (2) ◽  
Author(s):  
Younghoon Kwon
Keyword(s):  
Atrial Fibrillation ◽  
Sleep Quality ◽  
Slow Wave ◽  
Slow Wave Sleep

scholarly journals A pilot study on essential oil aroma stimulation for enhancing slow-wave EEG in sleeping brain

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Li-Wei Ko ◽  
Cheng-Hua Su ◽  
Meng-Hsun Yang ◽  
Shen-Yi Liu ◽  
Tung-Ping Su
Keyword(s):  
Essential Oil ◽  
Sleep Quality ◽  
Slow Wave ◽  
Slow Wave Sleep ◽  
Sleep Eeg ◽  
Poor Sleep ◽  
Alpha Power ◽  
Poor Sleep Quality ◽  
Healthy Human ◽  
Study Results

AbstractSleep quality is important to health and life quality. Lack of sleep can lead to a variety of health issues and reduce in daytime function. Recent study by Fultz et al. also indicated that sleep is crucial to brain metabolism. Delta power in sleep EEG often indicates good sleep quality while alpha power usually indicates sleep interruptions and poor sleep quality. Essential oil has been speculated to improve sleep quality. Previous studies also suggest essential oil aroma may affect human brain activity when applied awake. However, those studies were often not blinded, which makes the effectiveness and mechanism of aroma a heavily debated topic. In this study, we aim to explore the effect of essential oil aroma on human sleep quality and sleep EEG in a single-blinded setup. The aroma was released when the participants are asleep, which kept the influence of psychological expectation to the minimum. We recruited nine young, healthy participants with regular lifestyle and no sleep problem. All participants reported better sleep quality and more daytime vigorous after exposing to lavender aroma in sleep. We also observed that upon lavender aroma releases, alpha wave in wake stage was reduced while delta wave in slow-wave sleep (SWS) was increased. Lastly, we found that lavender oil promote occurrence of SWS. Overall, our study results show that essential oil aroma can be used to promote both subjective and objective sleep quality in healthy human subjects. This makes aroma intervention a potential solution for poor sleep quality and insomnia.

scholarly journals Exposure to relaxing words during sleep promotes slow-wave sleep and subjective sleep quality

2020 ◽  
Author(s):  
Jonas Beck ◽  
Erna Loretz ◽  
Björn Rasch
Keyword(s):  
Sleep Quality ◽  
Slow Wave ◽  
Slow Wave Sleep ◽  
Well Being ◽  
Subjective Sleep Quality ◽  
Sleep Depth ◽  
Activity Band ◽  
Underlying Mechanisms ◽  
Healthy Participants ◽  
Subjective Level

AbstractOur thoughts alter our sleep, but the underlying mechanisms are still unknown. We propose that mental processes are active to a greater or lesser extent during sleep and that this degree of activation affects our sleep depth. We examined this notion by activating the concept of “relaxation” during sleep using relaxation-related words in 50 healthy participants. In support of our hypothesis, playing relaxing words during non-rapid eye movement sleep extended the time spent in slow-wave sleep, increased power in the slow-wave activity band after the word cue, and abolished an asymmetrical sleep depth during the word presentation period. On the subjective level, participants reported a higher sleep quality and elevated alertness ratings. Our results support the notion that the activation of mental concepts during sleep can influence sleep depth and provide a basis for interventions using targeted activations to promote sleep depth and sleep quality to foster well-being and health.

Changes in sleep quality of athletes under normobaric hypoxia equivalent to 2,000-m altitude: a polysomnographic study

2007 ◽  
Vol 103 (6) ◽  
pp. 2005-2011 ◽  
Author(s):  
Masako Hoshikawa ◽  
Sunao Uchida ◽  
Takayuki Sugo ◽  
Yasuko Kumai ◽  
Yoshiteru Hanai ◽  
...  
Keyword(s):  
Sleep Quality ◽  
Slow Wave ◽  
Slow Wave Sleep ◽  
Sleep Stage ◽  
Normobaric Hypoxia ◽  
Fast Fourier Transformation ◽  
Urinary Catecholamines ◽  
Arterial Blood ◽  
Subjective Sleepiness

This study evaluated the sleep quality of athletes in normobaric hypoxia at a simulated altitude of 2,000 m. Eight male athletes slept in normoxic condition (NC) and hypoxic conditions equivalent to those at 2,000-m altitude (HC). Polysomnographic recordings of sleep included the electroencephalogram (EEG), electrooculogram, chin surface electromyogram, and electrocardiogram. Thoracic and abdominal motion, nasal and oral airflow, and arterial blood oxygen saturation (SaO2) were also recorded. Standard visual sleep stage scoring and fast Fourier transformation analyses of the EEG were performed on 30-s epochs. Subjective sleepiness and urinary catecholamines were also monitored. Mean SaO2 decreased and respiratory disturbances increased with HC. The increase in respiratory disturbances was significant, but the increase was small and subclinical. The duration of slow-wave sleep (stage 3 and 4) and total delta power (<3 Hz) of the all-night non-rapid eye movement sleep EEG decreased for HC compared with NC. Subjective sleepiness and amounts of urinary catecholamines did not differ between the conditions. These results indicate that acute exposure to normobaric hypoxia equivalent to that at 2,000-m altitude decreased slow-wave sleep in athletes, but it did not change subjective sleepiness or amounts of urinary catecholamines.

scholarly journals 0337 Effects of Slow Wave Sleep Augmentation on Subjective Sleep Quality

SLEEP ◽  
2018 ◽  
Vol 41 (suppl_1) ◽  
pp. A129-A129
Author(s):  
M L Lamphere ◽  
C S Robinson ◽  
N B Bryant ◽  
A P Jones ◽  
B Robert ◽  
...  
Keyword(s):  
Sleep Quality ◽  
Slow Wave ◽  
Slow Wave Sleep ◽  
Subjective Sleep Quality ◽  
Subjective Sleep

scholarly journals The Benefits of Closed-Loop Transcranial Alternating Current Stimulation on Subjective Sleep Quality

2018 ◽  
Vol 8 (12) ◽  
pp. 204 ◽  
Author(s):  
Charles Robinson ◽  
Natalie Bryant ◽  
Joshua Maxwell ◽  
Aaron Jones ◽  
Bradley Robert ◽  
...  
Keyword(s):  
Sleep Quality ◽  
Slow Wave ◽  
Closed Loop ◽  
Slow Wave Sleep ◽  
The United States ◽  
Alternating Current ◽  
Poor Sleep ◽  
Subjective Sleep Quality ◽  
Subjective Sleep ◽  
Transcranial Alternating Current Stimulation

Background: Poor sleep quality is a common complaint, affecting over one third of people in the United States. While sleep quality is thought to be related to slow-wave sleep (SWS), there has been little investigation to address whether modulating slow-wave oscillations (SWOs) that characterize SWS could impact sleep quality. Here we examined whether closed-loop transcranial alternating current stimulation (CL-tACS) applied during sleep impacts sleep quality and efficiency. Methods: CL-tACS was used in 21 participants delivered at the same frequency and in phase with endogenous SWOs during sleep. Sleep quality was assessed in the morning following either verum or sham control stimulation during sleep, with order counterbalanced within participants. Results: Higher sleep quality and efficiency were found after verum stimulation nights compared to control. The largest effects on sleep quality were found immediately following an adaptation night in the laboratory for which sleep quality was reduced. Conclusions: Applying CL-tACS at the same frequency and phase as endogenous SWOs may offer a novel method to improve subjective sleep quality after a night with poor quality sleep. CL-tACS might be helpful for increasing sleep quality and efficiency in otherwise healthy people, and in patients with clinical disorders that involve sleep deficits.

Improvement of the night sleep quality by electrocutaneous subthreshold stimulation synchronized with the slow wave sleep

2017 ◽  
Vol 474 (1) ◽  
pp. 132-134 ◽  
Author(s):  
Yu. V. Gulyaev ◽  
A. S. Bugaev ◽  
P. A. Indursky ◽  
V. M. Shakhnarovich ◽  
V. V. Dementienko
Keyword(s):  
Sleep Quality ◽  
Slow Wave ◽  
Slow Wave Sleep ◽  
Night Sleep

scholarly journals Exposure to relaxing words during sleep promotes slow-wave sleep and subjective sleep quality

SLEEP ◽  
2021 ◽  
Author(s):  
Jonas Beck ◽  
Erna Loretz ◽  
Björn Rasch
Keyword(s):  
Sleep Quality ◽  
Slow Wave ◽  
Slow Wave Sleep ◽  
Well Being ◽  
Subjective Sleep Quality ◽  
Sleep Depth ◽  
Activity Band ◽  
Underlying Mechanisms ◽  
Subjective Alertness ◽  
Healthy Participants

Abstract Our thoughts alter our sleep, but the underlying mechanisms are still unknown. We propose that mental processes are active to a greater or lesser extent during sleep and that this degree of activation affects our sleep depth. We examined this notion by activating the concept of “relaxation” during sleep using relaxation-related words in 50 healthy participants. In support of our hypothesis, playing relaxing words during non-rapid eye movement sleep extended the time spent in slow-wave sleep, increased power in the slow-wave activity band after the word cue, and abolished an asymmetrical sleep depth during the word presentation period. In addition, participants reported a higher sleep quality and elevated subjective alertness. Our results support the notion that the activation of mental concepts during sleep can influence sleep depth. They provide a basis for interventions using targeted activations to promote sleep depth and sleep quality to foster well-being and health.

scholarly journals 1051 SLOW WAVE SLEEP IN PATIENTS WITH ATRIAL FIBRILLATION

SLEEP ◽  
2017 ◽  
Vol 40 (suppl_1) ◽  
pp. A391-A391
Author(s):  
MC Shields ◽  
C Stout ◽  
N Shah ◽  
Y Cho ◽  
JD Ferguson ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Slow Wave ◽  
Slow Wave Sleep

scholarly journals Exercise improves the quality of slow-wave sleep by increasing slow-wave stability

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Insung Park ◽  
Javier Díaz ◽  
Sumire Matsumoto ◽  
Kaito Iwayama ◽  
Yoshiharu Nabekura ◽  
...  
Keyword(s):  
Sleep Quality ◽  
Slow Wave ◽  
Slow Wave Sleep ◽  
Core Body Temperature ◽  
Subjective Assessment ◽  
Quality Of Sleep ◽  
Vigorous Exercise ◽  
Experimental Conditions ◽  
Envelope Analysis

AbstractExercise can improve sleep by reducing sleep latency and increasing slow-wave sleep (SWS). Some studies, however, report adverse effects of exercise on sleep architecture, possibly due to a wide variety of experimental conditions used. We examined the effect of exercise on quality of sleep using standardized exercise parameters and novel analytical methods. In a cross-over intervention study we examined the effect of 60 min of vigorous exercise at 60% $$\dot{V}{\text{O}}_{2}$$ V ˙ O 2 max on the metabolic state, assessed by core body temperature and indirect calorimetry, and on sleep quality during subsequent sleep, assessed by self-reported quality of sleep and polysomnography. In a novel approach, envelope analysis was performed to assess SWS stability. Exercise increased energy expenditure throughout the following sleep phase. The subjective assessment of sleep quality was not improved by exercise. Polysomnography revealed a shorter rapid eye movement latency and reduced time spent in SWS. Detailed analysis of the sleep electro-encephalogram showed significantly increased delta power in SWS (N3) together with increased SWS stability in early sleep phases, based on delta wave envelope analysis. Although vigorous exercise does not lead to a subjective improvement in sleep quality, sleep function is improved on the basis of its effect on objective EEG parameters.

Sign in / Sign up

Export Citation Format

Share Document