scholarly journals Improving night-time sleep with hypnotic suggestions

2018 ◽  
Author(s):  
Maren Jasmin Cordi ◽  
Laurent Rossier ◽  
Björn Rasch
Keyword(s):  
Sleep Quality ◽  
Slow Wave ◽  
Sleep Disturbances ◽  
Slow Wave Sleep ◽  
Well Being ◽  
Night Time ◽  
Subjective Sleep Quality ◽  
Age Related ◽  
Improve Sleep Quality ◽  
Hypnotic Suggestions

AbstractSlow-wave sleep (SWS) is fundamental for maintaining our health and well-being, and SWS is typically reduced in stress-related sleep disturbances and age-related sleep disorders. We have previously reported that exposure to hypnotic suggestions before sleep effectively increases the duration of SWS during a midday nap in younger and older women suggestible for hypnosis.However, it remains unclear whether this beneficial effect of hypnosis on SWS can be generalized to night-time sleep and men. Therefore, we tested the effect of the hypnotic suggestions on SWS across an 8 hours night-time sleeping interval in 43 healthy young French-speaking subjects (19 males) of high and low suggestibility. In accordance with our previous results, listening to hypnotic suggestions before sleep increased the amount of SWS in highly suggestible subjects significantly by 13 min compared to a control condition in both genders. Particularly in the first hour, slow-wave activity was significantly increased after hypnosis as compared to the control night in high suggestible. The hypnosis-induced benefits on objective sleep parameters were also reflected in increased subjective sleep quality ratings. Our results demonstrate that hypnotic suggestions are an effective tool to deepen sleep and improve sleep quality also across a whole night of sleep in young healthy men and women. Our findings provide an important basis for the examination and potential application of hypnosis to improve deep sleep in populations with sleep disturbances.

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.

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 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

Sleep disturbances in adults with frailty and sarcopenia

2020 ◽  
Vol 21 (2) ◽  
pp. 89-107
Author(s):  
Reona Chiba ◽  
Yuki Ohashi ◽  
Akiko Ozaki
Keyword(s):  
Older Adults ◽  
Muscle Strength ◽  
Sleep Quality ◽  
Sleep Disturbances ◽  
Short Sleep Duration ◽  
Night Time ◽  
Content Type ◽  
Age Related ◽  
Increased Risk ◽  
The Relationship

Purpose Several epidemiological studies have reported an age-related increase in the prevalence of sleep disturbances. This study aims to investigate the relationship between sleep and sarcopenia/frailty in older adults and clarify issues that remain to be addressed in future studies. Design/methodology/approach PubMed was searched for relevant studies with the following keywords in the title: “sleep” and “sarcopenia” or “sleep” and “frailty.” A total of 15 studies published in English between 1998 and 2018 were reviewed. Findings Among the four studies that examined the relationship between sarcopenia and sleep, two reported that long or short sleep duration increased the risk of sarcopenia and this association was more pronounced in women than men. Among the seven studies examining the relationship between frailty and sleep, four reported that higher Pittsburgh Sleep Quality Index (PSQI) scores were associated with an increased risk of frailty. Practical implications Most previous studies have focused on interventions targeting a single area such as muscle strength or exercise habits, in older adults at risk for frailty. The results suggest that interventions targeting improved sleep may positively impact the maintenance of muscle strength. Originality/value The literature review revealed that too much or too little sleep increases the risk of sarcopenia in older adults. Further, sleep deprivation, greater night-time wakefulness and reduced sleep quality increase the risk of frailty. Interestingly, the risk of mortality is increased in individuals with daytime functional disorders such as excessive drowsiness or napping habits.

scholarly journals Sleep during an Antarctic summer expedition: new light on “polar insomnia”

2017 ◽  
Vol 122 (4) ◽  
pp. 788-794 ◽  
Author(s):  
Nathalie Pattyn ◽  
Olivier Mairesse ◽  
Aisha Cortoos ◽  
Nele Marcoen ◽  
Xavier Neyt ◽  
...  
Keyword(s):  
Slow Wave ◽  
Slow Wave Sleep ◽  
Well Being ◽  
Extreme Environment ◽  
Phase Delay ◽  
Continuous Illumination ◽  
Melatonin Secretion ◽  
Subjective Sleep Quality ◽  
Sleep Complaints ◽  
Psychomotor Vigilance

Sleep complaints are consistently cited as the most prominent health and well-being problem in Arctic and Antarctic expeditions, without clear evidence to identify the causal mechanisms. The present investigation aimed at studying sleep and determining circadian regulation and mood during a 4-mo Antarctic summer expedition. All data collection was performed during the continuous illumination of the Antarctic summer. After an habituation night and acclimatization to the environment (3 wk), ambulatory polysomnography (PSG) was performed in 21 healthy male subjects, free of medication. An 18-h profile (saliva sampling every 2 h) of cortisol and melatonin was assessed. Mood, sleepiness, and subjective sleep quality were assessed, and the psychomotor vigilance task was administered. PSG showed, in addition to high sleep fragmentation, a major decrease in slow-wave sleep (SWS) and an increase in stage R sleep. Furthermore, the ultradian rhythmicity of sleep was altered, with SWS occurring mainly at the end of the night and stage R sleep at the beginning. Cortisol secretion profiles were normal; melatonin secretion, however, showed a severe phase delay. There were no mood alterations according to the Profile of Mood States scores, but the psychomotor vigilance test showed an impaired vigilance performance. These results confirm previous reports on “polar insomnia”, the decrease in SWS, and present novel insight, the disturbed ultradian sleep structure. A hypothesis is formulated linking the prolonged SWS latency to the phase delay in melatonin. NEW & NOTEWORTHY The present paper presents a rare body of work on sleep and sleep wake regulation in the extreme environment of an Antarctic expedition, documenting the effects of constant illumination on sleep, mood, and chronobiology. For applied research, these results suggest the potential efficiency of melatonin supplementation in similar deployments. For fundamental research, these results warrant further investigation of the potential link between melatonin secretion and the onset of slow-wave 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.

scholarly journals Negative impact of the COVID-19 pandemic on sleep quantitative parameters, quality, and circadian alignment: Implications for psychological well-being and emotional regulation

2020 ◽  
Author(s):  
Mohammad Ali Salehinejad ◽  
Maryam Majidinezhad ◽  
Elham Ghanavati ◽  
Sahar Kouestanian ◽  
Carmelo M. Vicario ◽  
...  
Keyword(s):  
Sleep Quality ◽  
Emotional Regulation ◽  
Sleep Disturbances ◽  
Negative Impact ◽  
Well Being ◽  
Anxiety State ◽  
Healthy Individuals ◽  
Quality Factors ◽  
Subjective Sleep Quality ◽  
Sleep Parameters

Background The COVID-19 pandemic has spread worldwide, affecting millions of people and exposing them to home quarantine, isolation, and social distancing. While recent reports showed increased distress and depressive/anxiety state related to COVID-19 crisis, we investigated how home quarantine affected sleep parameters in healthy individuals. Methods 160 healthy individuals who were in home quarantine in April 2020 for at least one month participated in this study. Participants rated and compared their quantitative sleep parameters (time to go to bed, sleep duration, getting-up time) and sleep quality factors, pre-and during home quarantine due to the COVID-19 pandemic. Furthermore, participants chronotype was determined to see if sleep parameters are differentially affected in different chronotypes. Results The time to fall asleep and get-up in the morning were significantly delayed in all participants, indicating a significant circadian misalignment. Sleep quality was reported to be significantly poorer in all participants and chronotypes, and included more daily disturbances (more sleep disturbances, higher daily dysfunctions due to low quality of sleep) and less perceived sleep quality (lower subjective sleep quality, longer time taken to fall asleep at night, more use of sleep medication for improving sleep quality) during home quarantine. Conclusions Home quarantine due to COVID-19 pandemic has a detrimental impact on sleep quality. Online interventions including self-help sleep programs, stress management, relaxation practices, stimulus control, sleep hygiene, and mindfulness training are available interventions in the current situation.

scholarly journals TUNING ENVIRONMENTAL LIGHTING TO IMPROVE SLEEP QUALITY AND COGNITIVE PERFORMANCE IN OLDER ADULTS

2019 ◽  
Vol 3 (Supplement_1) ◽  
pp. S659-S660
Author(s):  
Nastaran Shishegar ◽  
Mohamed Boubekri
Keyword(s):  
Older Adults ◽  
Sleep Quality ◽  
Cognitive Performance ◽  
Well Being ◽  
Color Temperature ◽  
Digit Symbol Substitution Test ◽  
Lighting Condition ◽  
Age Related ◽  
Symbol Substitution ◽  
Improve Sleep Quality

Abstract Sleep is important for memory consolidation, hence the disruption of normal sleep patterns as a result of age-related changes in the circadian system could be one of the contributors to memory impairment among older adults. It is now well-established that light is the main environmental element that synchronizes circadian rhythms. An appropriate lighting condition can be considered as a non-pharmacological solution to improve the sleep quality of individuals and consequently their overall health and well-being. The present study investigates the effectiveness of two proposed whole-day lighting interventions (L1 and L2) applied by Tunable White Lighting Technology (TWLT) on sleep quality and cognitive performance in older adults. Both lighting interventions provide a high illuminance level (500 lux) in the morning and then the illumination is dimmed gradually throughout the day and reached 100 lux in the evening. However, while L1 offers a constant Correlated Color Temperature (CCT) of 2700K, during the L2 intervention, the CCT is changing in the range of 6500K – 2700K from morning towards evening. Fifteen healthy older adults (mean age = 73.2 years; 12F) participated in a 41-day counterbalanced crossover study. Participants were exposed to each lighting condition for 9 days. Actigraphy, standard questionnaires (PROMIS and PSQI), and tests (Trail Making Test (TMT) A & B and Digit Symbol Substitution Test (DSST)) were employed to measure sleep quality and cognitive performance before, during, and after lighting interventions. Significant improvements in sleep quality and cognitive performance were found for both lighting interventions with better outcomes for L2.

scholarly journals Enhancement of Sleep Quality and Stability Using Acoustic Stimulation During Slow Wave Sleep

2018 ◽  
Vol 5 (4) ◽  
pp. 126-134
Author(s):  
Aminollah Golrou ◽  
Ali Sheikhani ◽  
Ali Motie Nasrabadi ◽  
Mohammad Reza Saebipour
Keyword(s):  
Sleep Quality ◽  
Slow Wave ◽  
Slow Wave Sleep ◽  
Acoustic Stimulation ◽  
Deep Sleep ◽  
Quality Of Sleep ◽  
Slow Oscillations ◽  
Random Frequency ◽  
Improve Sleep Quality

Background: One of the challenges today is that the quality of sleep has weakened by many external factors, which we are not even aware of and which directly affect sleep. Sleep quality has an essential role in maintaining the cognitive function and memory consolidation of individuals. So far, various studies have been done to improve the quality of sleep by using external electrical stimulation, vestibular and olfactory system stimulation. Methods: In this study, the increase in sleep quality was considered by simultaneous acoustic stimulation in a deep sleep to increase the density of slow oscillations. Slow oscillations are the important events recorded in electroencephalography (EEG) and hallmark deep sleep. Acoustic stimulation of pink noise with random frequency ranging from 0.8 to 1.1 Hz was used to improve sleep quality. Results: Eight healthy adults (mean age: 28.4±7.8 years) studied in 3 nights under 3 conditions: accommodation night, stimulation night (STIM) and no stimulation night (SHAM), in counterbalanced order. Significant characteristics of the objective and subjective quality of sleep have been extracted from the acquired EEG and compared in the last 2 nights. Also, the arousal and cyclic alternating pattern characteristics have been measured to assess sleep stability over 2 nights of STIM and SHAM. Conclusion: Our findings confirm this goal of the study that applying designed acoustic stimulation simultaneously in the slow wave sleep (SWS) stage increases the duration of deep sleep and ultimately improves overall sleep stability and quality. Keywords: Sleep quality enhancement; Acoustic stimulation; Slow wave sleep; CAP & arousals; Sleep stability; EEG

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