Roy Raymann
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View article: 0928 The Self-Reported Practice of Light Exposure Recommendations in the Morning, Daytime, Evening, and Nighttime
0928 The Self-Reported Practice of Light Exposure Recommendations in the Morning, Daytime, Evening, and Nighttime Open
Introduction While it is well known that ocular light strongly entrains the central circadian clock, there has been a lack of evidence-based recommendations for daytime, evening, and nighttime light exposure for healthy adults. Recently, a…
View article: 0375 Increased Engagement with a Tailored Sleep Guide is Associated with Reduced Variability in Sleep Efficiency in Chronic Insomnia
0375 Increased Engagement with a Tailored Sleep Guide is Associated with Reduced Variability in Sleep Efficiency in Chronic Insomnia Open
Introduction Insomnia is highly prevalent, but difficult to diagnose due to night-to-night sleep variability, and difficult to treat in part due to the lack of trained providers. Consumer sleep technology (CST) allows for longitudinal slee…
View article: 0279 Sleep Hygiene for Sleep Health in the General Population: What Does Data From Consumer Sleep Technology Tell Us?
0279 Sleep Hygiene for Sleep Health in the General Population: What Does Data From Consumer Sleep Technology Tell Us? Open
Introduction Despite being used and widely recommended since the 1970s, few studies have examined whether adherence to sleep hygiene practices affect objectively measured sleep in non-clinical populations. While individual components of sl…
View article: 0323 Gender-Specific Differences in Self-Reported Factors Attributed to Sleep Disruption
0323 Gender-Specific Differences in Self-Reported Factors Attributed to Sleep Disruption Open
Introduction Women are more likely to report sleep difficulties. There are many ways for sleep to be disrupted (social influences, external sensory stimuli, somatic cues) but limited data exists on the relative burden of these disruptors. …
View article: 0327 Age-Related Associations Between Chronotype and Sleep-Wake Cycles: A Big Data Analysis
0327 Age-Related Associations Between Chronotype and Sleep-Wake Cycles: A Big Data Analysis Open
Introduction Circadian rhythms progressively delay throughout adolescence until older adulthood when they advance to become early as children. Chronotype represents a subjective assessment of when one feels their performance is optimal. Ev…
View article: 0477 Comparison of a Non-Contact Sleep Monitoring Device with Wrist Actigraphy in a Sample of Individuals with Chronic Insomnia
0477 Comparison of a Non-Contact Sleep Monitoring Device with Wrist Actigraphy in a Sample of Individuals with Chronic Insomnia Open
Introduction Non-contact devices (NCDs) have been developed to measure sleep longitudinally and unobtrusively in the naturalistic home setting. We compared longitudinal measurements from a wrist actigraph (Actiwatch-2, Philips Respironics)…
View article: 0329 Social Jetlag and Increased BMI: A Population-Based Study Using a Contactless Sleep Measurement Application
0329 Social Jetlag and Increased BMI: A Population-Based Study Using a Contactless Sleep Measurement Application Open
Introduction Social jetlag involves delayed bed and wake times on weekends relative to weekdays. Resulting circadian rhythm disruption, sleep disturbance, and shortened sleep have untoward consequences for human health and performance. Ele…
View article: 0351 Towards Interpreting Consumer Sleep Data: Distributions of Sleep Scores
0351 Towards Interpreting Consumer Sleep Data: Distributions of Sleep Scores Open
Introduction With the rise of sleep measurement technology becoming widely available to the public, it has become apparent that traditional sleep metrics might not be best suited for a lay audience. Most consumer industry has started inclu…
View article: 0342 Use of a Diffused Fragrance Before Bed May Contribute to Improved Objective and Perceived Sleep
0342 Use of a Diffused Fragrance Before Bed May Contribute to Improved Objective and Perceived Sleep Open
Introduction This study examined if a diffused fragrance used at home before bedtime would contribute to sleep improvement in a sample of healthy females. Existing evidence regarding the sleep-promoting properties of fragrances often has b…
View article: 0346 Differentiation of Naturalistic Sleep in Chronic Insomnia vs. Healthy Controls Using a Non-Contact Measurement Device
0346 Differentiation of Naturalistic Sleep in Chronic Insomnia vs. Healthy Controls Using a Non-Contact Measurement Device Open
Introduction Individuals with insomnia report poor sleep quality and non-restorative sleep, and often exhibit irregular sleep patterns over time. First night effects and logistical challenges make it difficult to accurately measure these s…
View article: 0607 Prevalence and Correlates of Sleep Disorders Among Users of a Consumer Sleep Technology
0607 Prevalence and Correlates of Sleep Disorders Among Users of a Consumer Sleep Technology Open
Introduction Sleep disorders constitute a major public health burden yet remain widely undiagnosed and untreated. The prevalence of diagnosed sleep disorders and associations with objectively measured sleep-wake dysfunction vary widely acr…
View article: 0328 Social Jetlag Decreases Across the Lifespan: A Longitudinal Big Data Analysis of Objective Sleep
0328 Social Jetlag Decreases Across the Lifespan: A Longitudinal Big Data Analysis of Objective Sleep Open
Introduction Changes in social zeitgebers across the lifespan likely impact the interplay between biological and social clocks that fosters the circadian misalignment seen in social jetlag. Extant literature is limited to self-reported met…
View article: 0352 Compliance to Sleep Recommendations: A Big Data Analysis In Users of a Consumer Sleep Technology
0352 Compliance to Sleep Recommendations: A Big Data Analysis In Users of a Consumer Sleep Technology Open
Introduction The National Sleep Foundation has published sleep time duration (Hirshkowitz et al., 2015) and sleep quality (Ohayon et al., 2017) recommendations across the lifespan based on expert panel input. These recommendations offer sl…
View article: 0330 Self-Reported Exercise and Objectively Measured Sleep: A Big Data Analysis Using Consumer Sleep Technology
0330 Self-Reported Exercise and Objectively Measured Sleep: A Big Data Analysis Using Consumer Sleep Technology Open
Introduction Exercise is bidirectionally associated with sleep, whereby exercise can be an efficacious element of behavioural therapy for sleep, and longer sleep duration has been associated with increased physical activity. Given poor sle…
View article: Sleeping in an Inclined Position to Reduce Snoring and Improve Sleep: In-home Product Intervention Study
Sleeping in an Inclined Position to Reduce Snoring and Improve Sleep: In-home Product Intervention Study Open
Background Accurately and unobtrusively testing the effects of snoring and sleep interventions at home has become possible with recent advances in digital measurement technologies. Objective The aim of this study was to examine the effecti…
View article: Characteristics of Children Likely to Have Spontaneous Resolution of Obstructive Sleep Apnea: Results from the Childhood Adenotonsillectomy Trial (CHAT)
Characteristics of Children Likely to Have Spontaneous Resolution of Obstructive Sleep Apnea: Results from the Childhood Adenotonsillectomy Trial (CHAT) Open
Objective: To evaluate if cardiopulmonary coupling (CPC) calculated sleep quality (SQI) may have a role in identifying children that may benefit from other intervention than early adenotonsillectomy (eAT) in management of obstructive sleep…
View article: 218 BIDEN WON, BUT SLEEP LOST IN THE 2020 US ELECTION
218 BIDEN WON, BUT SLEEP LOST IN THE 2020 US ELECTION Open
Introduction The 2020 US Presidential Election captivated the US public resulting in record turnout. In the months preceding the elections COVID-19, racial injustice and the economic downturn had a daily impact on the lives of voters. In t…
View article: 324 Naturalistic Characterization of Sleep in Chronic Insomnia Using a Non-Contact Sleep Measurement Device
324 Naturalistic Characterization of Sleep in Chronic Insomnia Using a Non-Contact Sleep Measurement Device Open
Introduction Individuals with insomnia report poor sleep quality and non-restorative sleep, and often exhibit irregular sleep patterns over days and weeks. First night effects and logistical challenges make it difficult to measure these sl…
View article: 220 Sleep schedule changes during the COVID-19 pandemic: Relations to circadian preferences
220 Sleep schedule changes during the COVID-19 pandemic: Relations to circadian preferences Open
Introduction The COVID-19 pandemic profoundly altered individual lifestyles, reducing commutes and restricting nocturnal in-person socialization. We examine whether the stay-at-home orders and the attendant increase in sleep scheduling aut…
View article: 266 Contact-free Snoring Solution Reduces Objectively-measured Snoring and Improves Bed Partners’ Objectively-measured Sleep
266 Contact-free Snoring Solution Reduces Objectively-measured Snoring and Improves Bed Partners’ Objectively-measured Sleep Open
Introduction Snoring can disturb the sleep of snorers as well as their bed partners. Recent technological advances allow objective measurement of sleep and snoring in the comfort of the bedroom. This study examined effects of a non-medical…
View article: 264 Field Test of Sound Machine Shows Significant Improvement in Perceived Sleep but Not Objective Sleep
264 Field Test of Sound Machine Shows Significant Improvement in Perceived Sleep but Not Objective Sleep Open
Introduction Ambient sound can mask external environmental noise, reducing sleep disturbances. Recently there has been a call for research with objective sleep measures examining noise as a sleep aid. This study investigated whether using …
View article: 263 Use of an Air Purifier in the Bedroom Improves Objective and Perceived Sleep
263 Use of an Air Purifier in the Bedroom Improves Objective and Perceived Sleep Open
Introduction This study examined if an air purifier in the bedroom would improve sleep on a broad sample of healthy people (non-smokers without allergies) with sub-optimal sleep living in urban and suburban areas. This way of testing has t…
View article: 265 Blue Light Filtering Laptop and Tablet Screen Protectors Used After Sunset Improve Sleep
265 Blue Light Filtering Laptop and Tablet Screen Protectors Used After Sunset Improve Sleep Open
Introduction Light exposure at night is associated with altered sleep behavior and impaired sleep satisfaction, in part due to suppressing the release of melatonin. According to a National Sleep Foundation poll, 90% of people report using …
View article: 1203 Worth The Weight: Weighted Blanket Improves Sleep And Increases Relaxation
1203 Worth The Weight: Weighted Blanket Improves Sleep And Increases Relaxation Open
Introduction Weighted blankets are designed to create deep touch pressure stimulation, to simulate the feeling of being held or hugged. The deep pressure provided by a weighted blanket, along with consistent sensory input from its weight, …
View article: 1054 Improving Sleep By Reducing Allergy Symptoms
1054 Improving Sleep By Reducing Allergy Symptoms Open
Introduction Allergies can impact sleep quality and, in turn, quality of life. Sleep is affected because allergens irritate nasal passages, which can make breathing more difficult, start an immune response, and directly interfere with slee…
View article: 0412 Parents Sleep Longer When School is Out for the Summer: Associations Among Parenthood, Gender, and Season
0412 Parents Sleep Longer When School is Out for the Summer: Associations Among Parenthood, Gender, and Season Open
Introduction Seasonal effects in sleep are often attributed to day length; however, change in obligatory daily activities might also have an impact on sleep behavior. Longitudinal measurement using consumer sleep technology enables the obs…
View article: 1214 Higher Bedroom Temperature Associated With Poorer Sleep: Data From Over 3.75 Million Nights
1214 Higher Bedroom Temperature Associated With Poorer Sleep: Data From Over 3.75 Million Nights Open
Introduction Bedroom temperature can influence nocturnal thermoregulation and sleep. To date, limited, small experimental studies have shown that bedroom temperatures outside the recommended range of 65 and 70°F can negatively impact sleep…
View article: 0443 Intra Week Sleep Patterns Analyzed Using Consumer Sleep Tracker Data
0443 Intra Week Sleep Patterns Analyzed Using Consumer Sleep Tracker Data Open
Introduction Big data collected using consumer sleep technology can provide objectively measured insights on sleep behavior in the real-life environment. It has the advantage over self-report data of being less prone to bias. Here we used …