The study, published in Sensors, shows sleep
metrics measured by Sleep Number’s SleepIQ® technology and
polysomnography (PSG) were strongly correlated
Results suggest the 360 smart bed may provide
reliable measurements of sleep quality and access to sleep metrics
in a large population for longer periods of time than what is
currently feasible with PSG
Sleep Number Corporation (Nasdaq: SNBR),
the sleep health, science, research and innovation leader, today
announced publication of its new study in the journal Sensors. The
publication shows that SleepIQ® technology, the operating system of
the Sleep Number 360® smart bed, demonstrated strong correlations
in measuring sleep data compared to traditional laboratory PSG, the
current gold standard of measuring sleep. PSG, however, is
impractical to use longitudinally, and places a high burden on the
user. The results of this study suggest the 360 smart bed may
provide a reliable, longitudinal measurement of sleep quality,
while enabling access to sleep data from the comfort of one’s home
and from large populations for longer, continuous periods of time
than what is feasible with PSG. To date, Sleep Number has leveraged
and learned from over 14 billion hours of sleep data gathered from
over 1.8 billion real-world sleep sessions. Sleep Number data also
show sleepers using 360 smart bed technology achieve 170 hours more
restful sleep per year - an average of 28 minutes a night.*
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SleepIQ® technology, the operating system
of the Sleep Number 360® smart bed, demonstrated strong
correlations in measuring sleep data compared to traditional
laboratory PSG. It has the potential to help health practitioners
have a real-world, longitudinal view of their patients’ sleep
health over time. (Photo: Business Wire)
“This is an important step in validating the 360 smart bed for
use in sleep research and is foundational to our purpose of
improving the health and wellbeing of society through higher
quality sleep,” said Annie Bloomquist, Chief Innovation Officer,
Sleep Number. “The scientific recognition of the comparative
accuracy of our SleepIQ technology data means it could one day be
used to help healthcare practitioners have a real-world,
longitudinal view of their patients’ sleep health over time –
something they’ve never had access to before. The aggregated
learnings from our 360 smart beds will advance sleep science with
data; we believe it will provide a better understanding of sleep’s
impact on holistic health, improving patient outcomes and
eventually predicting health trends.”
SleepIQ technology is embedded into every 360 smart bed. Its
proprietary, dynamic algorithm gathers billions of longitudinal
biosignal and sleep data points from millions of real-world
sleepers. The smart bed’s sensors unobtrusively measure average
heart rate and breathing rate, motion, temperature and more,
allowing the bed to learn and evolve with each sleeper. Using an
embedded ballistocardiograph (BCG), signal processing and machine
learning, the smart bed provides real-time measurement of several
sleep metrics, including duration and quality. The sensors help to
create a responsive and adjustable microenvironment for each
individual and can effortlessly respond to a sleeper to keep them
comfortable.
This study performed three analyses in evaluating sleep metrics
measured by SleepIQ technology against PSG: the ability to measure
all-night heart rate and breathing rate; the sensitivity of the
smart bed for detecting sleep and specificity to detect wake
stages; and the measurement of all-night summary metrics including
sleep efficiency, sleep onset latency, total sleep time and wake
after sleep onset. The study included 45 participants aged 22-64
who slept one night in a laboratory setting and underwent
simultaneous PSG and SleepIQ recordings.
While PSG has traditionally been considered the gold standard
for measuring sleep, it has its limitations. Because it is
generally collected in a lab, information gathered by PSG may not
reliably translate to real-life conditions. Although its use in
longitudinally monitoring sleep in real-life conditions is
possible, it is expensive, time consuming, discontinuous, and
imposes a high burden on the sleeper. The 360 smart beds stand out
not only because the embedded SleepIQ technology provides accurate,
ecologically valid data collection, but because they are effortless
to use - with no need to wear or charge anything - making them the
first smart bed that requires no user action to monitor biosignals
and automatically adjusts to improve sleep. The SleepIQ data
gathered from the 360 smart beds also enables the collection of
sleep metrics in large populations for longer periods of time than
is feasible with PSG.
“We’re excited by the potential of this research and our
technology to develop new products, services and impactful
partnerships,” said Faisal Mushtaq, Chief Technology Officer, Sleep
Number. “We know the 360 smart bed delivers highly accurate
monitoring and personalized insights, and we are confident the
proven accuracy of SleepIQ technology is a stepping stone for
greater health implications. Smart beds may eventually be able to
identify health risks and may soon enable proactive health care –
all from home.”
“We know sleepers have long questioned the reliability of the
heath data they receive from their devices,” said Raj Mills, VP of
SleepIQ Health and Research, Sleep Number. “Now, knowing the
technology embedded in our smart beds is peer reviewed and
validated, they can feel more confident than ever in taking more
ownership of their health. Our science-backed innovations provide a
more holistic picture of an individual’s sleep health over time,
including actionable and personalized sleep health recommendations
to improve their wellbeing. Today, sleepers can trust our smart
beds as a long-term, sleep health monitoring device and share their
data with their physician to identify trends or even potential
risks.”
Results of the study showed measurements of both epoch-by-epoch
and mean heart and breathing rates were strongly correlated between
SleepIQ technology and PSG. In addition, SleepIQ technology was
able to differentiate sleep and wake states with reasonable
accuracy and precision, with a higher sensitivity in detecting
sleep and a lower specificity in detecting wake states. For
all-night sleep metrics, SleepIQ technology showed reasonable
accuracy in measuring sleep onset latency, wake after sleep onset,
sleep efficiency and total sleep time. Importantly, the accuracy of
these measurements was impacted by the amount of time participants
were awake in bed, with results showing greater accuracy for
participants who spent less time awake. Future studies are needed
to better characterize the accuracy of the smart bed, with
particular regard to longitudinal repeatability and reliability,
using data collected over multiple nights for each participant.
Further validation is also required to assess the smart bed as a
potential screening tool for sleep disorders.
“Performance Evaluation of a Smart Bed Technology against
Polysomnography” is now available here:
https://www.mdpi.com/1424-8220/22/7/2605. To learn more about our
innovations in sleep health, science and research, visit:
www.sleepnumber.com/science.
*Based on average SleepIQ® data from 8/1/21 - 2/28/22 of
sleepers who engaged with their Sleep Number® setting, SleepIQ®
data and FlexFit™ smart adjustable base.
About Sleep Number
Individuality is the foundation of Sleep Number. Our purpose
driven company is comprised of over 5,500 passionate team members
who are dedicated to our mission of improving lives by
individualizing sleep experiences. We have improved over 14 million
lives and are positively impacting society’s wellbeing through
higher quality sleep.
Our award-winning 360® smart beds are informed by science. They
learn from over one billion sleep sessions of highly-accurate, real
world sleep data – the culmination of 14 billion hours’ worth - to
automatically adjust to each sleeper and provide effortless comfort
and proven quality sleep. Our 360 smart beds deliver individualized
sleep health reports and insights, including a daily SleepIQ®
score, and are helping to advance meaningful sleep health solutions
by applying sleep science and research.
For life-changing sleep, visit SleepNumber.com or one of our 650
Sleep Number® stores. More information is available on our newsroom
and investor relations sites.
Forward-looking Statements
Statements used in this news release relating to future plans,
events, or performance such as plans to provide a reliable,
longitudinal measurement of sleep quality are forward-looking
statements subject to certain risks and uncertainties. Additional
information concerning these and other risks and uncertainties is
contained in the company’s filings with the Securities and Exchange
Commission (SEC), including the Annual Report on Form 10-K, and
other periodic reports filed with the SEC. The company has no
obligation to publicly update or revise any of the forward-looking
statements in this news release.
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version on businesswire.com: https://www.businesswire.com/news/home/20220519005452/en/
Julie Elepano Sleep Number Public Relations
Julie.Elepano@sleepnumber.com
Nichole Teixeira Sleep Number Public Relations
Nichole.Teixeira@sleepnumber.com
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