Journal of Sleep Research,
Journal Year:
2024,
Volume and Issue:
33(5)
Published: Feb. 13, 2024
Summary
New
sleep
technologies
are
being
developed,
refined
and
delivered
at
a
fast
pace.
However,
there
serious
concerns
about
the
validation
accuracy
of
new
sleep‐related
made
available,
as
many
them,
especially
consumer‐sleep
technologies,
have
not
been
tested
in
comparison
with
gold‐standard
methods
or
approved
by
health
regulatory
agencies.
The
importance
proper
performance
evaluation
has
already
discussed
previous
studies
some
recommendations
published,
but
most
them
do
employ
standardized
methodology
able
to
cover
all
aspects
technologies.
current
protocol
describes
Delphi
consensus
study
create
guidelines
for
development,
devices
resulting
intended
be
used
quality
assessment
tool
evaluate
individual
articles,
rather
overall
procedures,
experiments
performed
develop,
validate
We
hope
these
can
helpful
researchers
who
work
on
appraisal
their
reliability
validation,
companies
working
development
refinement
agencies
that
looking
registration,
approval
inclusion
systems.
SLEEP,
Journal Year:
2023,
Volume and Issue:
47(4)
Published: Dec. 24, 2023
Wearable
sleep-tracking
technology
is
of
growing
use
in
the
sleep
and
circadian
fields,
including
for
applications
across
other
disciplines,
inclusive
a
variety
disease
states.
Patients
increasingly
present
data
derived
from
their
wearable
devices
to
providers
ever-increasing
availability
commercial
new-generation
research/clinical
tools
has
led
wide
adoption
wearables
research,
which
become
even
more
relevant
given
discontinuation
Philips
Respironics
Actiwatch.
Standards
evaluating
performance
have
been
introduced
available
evidence
suggests
that
consumer-grade
exceed
traditional
actigraphy
assessing
as
defined
by
polysomnogram.
However,
clear
limitations
exist,
example,
misclassification
wakefulness
during
period,
problems
with
tracking
outside
main
bout
or
nighttime
artifacts,
unclear
translation
individuals
certain
characteristics
comorbidities.
This
particular
relevance
when
person-specific
factors
(like
skin
color
obesity)
negatively
impact
sensor
potential
downstream
augmenting
already
existing
healthcare
disparities.
holds
great
promise
our
field,
features
distinct
such
measurement
autonomic
parameters,
estimation
features,
integrate
self-reported,
objective,
passively
recorded
health
indicators.
Scientists
face
numerous
decision
points
barriers
incorporating
actigraphy,
multi-sensor
devices,
contemporary
research/clinical-grade
trackers
into
research.
Considerations
include
device
capabilities
performance,
target
population
goals
study,
outputs
raw
aggregate
data,
extraction,
processing,
analysis.
Given
difficulties
implementation
utilization
real-world
research
clinical
settings,
following
State
Science
review
requested
Sleep
Research
Society
aims
address
questions.
What
can
provide?
How
accurate
are
these
data?
should
be
taken
account
research?
These
outstanding
questions
surrounding
considerations
motivated
this
work,
outlining
practical
recommendations
using
Sensors,
Journal Year:
2023,
Volume and Issue:
23(10), P. 4805 - 4805
Published: May 16, 2023
Worldwide,
population
aging
and
unhealthy
lifestyles
have
increased
the
incidence
of
high-risk
health
conditions
such
as
cardiovascular
diseases,
sleep
apnea,
other
conditions.
Recently,
to
facilitate
early
identification
diagnosis,
efforts
been
made
in
research
development
new
wearable
devices
make
them
smaller,
more
comfortable,
accurate,
increasingly
compatible
with
artificial
intelligence
technologies.
These
can
pave
way
longer
continuous
monitoring
different
biosignals,
including
real-time
detection
thus
providing
timely
accurate
predictions
events
that
drastically
improve
healthcare
management
patients.
Most
recent
reviews
focus
on
a
specific
category
disease,
use
12-lead
electrocardiograms,
or
technology.
However,
we
present
advances
electrocardiogram
signals
acquired
from
publicly
available
databases
analysis
methods
detect
predict
diseases.
As
expected,
most
focuses
heart
emerging
areas,
mental
stress.
From
methodological
point
view,
although
traditional
statistical
machine
learning
are
still
widely
used,
observe
an
increasing
advanced
deep
methods,
specifically
architectures
handle
complexity
biosignal
data.
typically
include
convolutional
recurrent
neural
networks.
Moreover,
when
proposing
prevalent
choice
is
rather
than
collecting
Sensors,
Journal Year:
2024,
Volume and Issue:
24(2), P. 635 - 635
Published: Jan. 19, 2024
The
development
of
consumer
sleep-tracking
technologies
has
outpaced
the
scientific
evaluation
their
accuracy.
In
this
study,
five
devices,
research-grade
actigraphy,
and
polysomnography
were
used
simultaneously
to
monitor
overnight
sleep
fifty-three
young
adults
in
lab
for
one
night.
Biases
limits
agreement
assessed
determine
how
stage
estimates
each
device
actigraphy
differed
from
polysomnography-derived
measures.
Every
device,
except
Garmin
Vivosmart,
was
able
estimate
total
time
comparably
actigraphy.
All
devices
overestimated
nights
with
shorter
wake
times
underestimated
longer
times.
For
light
sleep,
absolute
bias
low
Fitbit
Inspire
Versa.
Withings
Mat
Vivosmart
sleep.
Oura
Ring
any
duration.
deep
while
other
REM
all
devices.
Taken
together,
these
results
suggest
that
proportional
patterns
are
prevalent
could
have
important
implications
overall
Journal of Sleep Research,
Journal Year:
2023,
Volume and Issue:
32(4)
Published: Feb. 17, 2023
There
are
concerns
about
the
validation
and
accuracy
of
currently
available
consumer
sleep
technology
for
sleep-disordered
breathing.
The
present
report
provides
a
background
review
existing
technologies
discloses
methods
procedures
systematic
meta-analysis
diagnostic
test
these
devices
apps
detection
obstructive
apnea
snoring
in
comparison
with
polysomnography.
search
will
be
performed
four
databases
(PubMed,
Scopus,
Web
Science,
Cochrane
Library).
Studies
selected
two
steps,
first
by
an
analysis
abstracts
followed
full-text
analysis,
independent
reviewers
perform
both
phases.
Primary
outcomes
include
apnea-hypopnea
index,
respiratory
disturbance
event
oxygen
desaturation
duration
index
reference
tests,
as
well
number
true
positives,
false
negatives,
negatives
each
threshold,
epoch-by-epoch
event-by-event
results,
which
considered
calculation
surrogate
measures
(including
sensitivity,
specificity,
accuracy).
Diagnostic
meta-analyses
using
Chu
Cole
bivariate
binomial
model.
Mean
difference
continuous
DerSimonian
Laird
random-effects
Analyses
independently
outcome.
Subgroup
sensitivity
analyses
evaluate
effects
types
(wearables,
nearables,
bed
sensors,
smartphone
applications),
(e.g.,
oximeter,
microphone,
arterial
tonometry,
accelerometer),
role
manufacturers,
representativeness
samples.
Journal of Sleep Research,
Journal Year:
2024,
Volume and Issue:
33(5)
Published: Feb. 21, 2024
The
accuracy
of
actigraphy
for
sleep
staging
is
assumed
to
be
poor,
but
examination
limited.
This
systematic
review
aimed
assess
the
performance
in
stage
classification
adults.
A
search
was
performed
using
MEDLINE,
Web
Science,
Google
Scholar,
and
Embase
databases.
We
identified
eight
studies
that
compared
architecture
estimates
between
wrist-worn
polysomnography.
Large
heterogeneity
found
with
respect
how
stages
were
grouped,
choice
metrics
used
evaluate
performance.
Quantitative
synthesis
not
possible,
so
we
a
narrative
literature.
From
limited
number
studies,
actigraphy-based
had
some
ability
classify
different
SLEEP,
Journal Year:
2022,
Volume and Issue:
45(12)
Published: Aug. 1, 2022
The
general
public
increasingly
adopts
smart
wearable
devices
to
quantify
sleep
characteristics
and
dedicated
for
assessment.
rapid
evolution
of
technology
has
outpaced
the
ability
implement
validation
approaches
demonstrate
relevant
clinical
applicability.
There
are
untapped
opportunities
validate
refine
consumer
in
partnership
with
scientists
academic
institutions,
patients,
private
sector
allow
effective
integration
into
management
pathways
facilitate
trust
adoption
once
reliability
validity
have
been
demonstrated.
We
call
formation
a
working
group
involving
stakeholders
from
academia,
care
industry
develop
clear
professional
recommendations
appropriate
optimized
utilization
such
technologies.
SLEEP Advances,
Journal Year:
2022,
Volume and Issue:
3(1)
Published: Jan. 1, 2022
To
determine
the
minimum
number
of
nights
required
to
reliably
estimate
weekly
and
monthly
mean
sleep
duration
variability
measures
from
a
consumer
technology
(CST)
device
(Fitbit).Data
comprised
107
144
1041
working
adults
aged
21-40
years.
Intraclass
correlation
(ICC)
analyses
were
conducted
on
both
time
windows
achieve
ICC
values
0.60
0.80,
corresponding
"good"
"very
good"
reliability
thresholds.
These
numbers
then
validated
data
collected
1-month
1-year
later.Minimally,
3
5
obtain
total
(TST)
estimates,
while
10
for
TST
estimates.
For
weekday-only
2
sufficient
7
sufficed
windows.
Weekend-only
estimates
nights.
6
windows,
11
18
Weekday-only
4
9
14
Error
made
using
later
with
these
parameters
comparable
those
associated
original
dataset.Studies
should
consider
metric,
measurement
window
interest,
desired
threshold
decide
assess
habitual
CST
devices.