medRxiv (Cold Spring Harbor Laboratory),
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 11, 2024
Abstract
Consumer
sleep
trackers
can
provide
useful
insight
into
and
patterns.
However,
large
scale
performance
evaluation
studies
against
direct
measures
are
needed
to
comprehensively
understand
tracker
accuracy.
This
study
evaluated
of
an
under-mattress
sensor
estimate
wake
versus
polysomnography,
during
multiple
in-laboratory
protocols
in
a
sample
including
individuals
with
without
disorders
day
night
opportunities.
183
participants
(51%
male,
mean[SD]
age=45[18]
years)
attended
the
laboratory
for
research
that
included
simultaneous
polysomnography
(Withings
Sleep
Analyzer
[WSA])
recordings.
Epoch-by-epoch
analyses
confusion
matrices
were
used
determine
accuracy,
sensitivity,
specificity
WSA
polysomnography.
Bland-Altman
plots
examined
bias
duration,
efficiency,
onset-latency,
after
onset.
Overall
sleep-wake
classification
accuracy
was
83%,
sensitivity
95%,
37%.
The
significantly
overestimated
total
time
(48[81]minutes),
efficiency
(9[15]%),
onset
latency
(6[26]),
underestimated
(54[78]),
p<0.05.
Accuracy
higher
daytime
opportunities
healthy
(89%
47%
82%
26%
respectively,
p<0.05).
also
97%)
those
(81%
91%,
is
comparable
other
consumer
trackers,
high
but
poor
compared
Poorer
night-time
likely
due
increased
reduced
efficiency.
Contactless,
sensors
show
promise
accurate
monitoring,
noting
tendency
over-estimate
particularly
where
high.
This
study
investigates
the
relationship
between
movement
behaviors
and
physical
fitness
(PF)
in
university
students,
based
on
top
5%
of
model-predicted
outcomes
for
PF
to
determine
optimal
balance.
A
total
463
students
aged
15-24
years
from
Jinhua
City
wore
accelerometers
measure
moderate-to-vigorous
activity
(MVPA),
light-intensity
(LPA),
sedentary
behavior
(SB).
Sleep
(SLP)
was
self-reported.
The
body
mass
index
(BMI),
forced
vital
capacity
(FVC),
50-meter
dash,
standing
long
jump,
sit-and-reach,
sit-ups
(female),
pull-ups
(male),
800-meter
run
1000-meter
(male)
were
used
as
indicators
assess
students.
Regression
analysis
examine
PF.
All
possible
component
combinations
investigated
best
correlation
(top
5%)
with
each
outcome.
For
males,
SB
(β
=
5.05,
p
<
0.05)
significantly
correlated
an
increase
BMI.
MVPA
improvements
BMI
-1.75,
0.05),
FVC
494.21,
endurance
qualities
-25.77,
0.05).
females,
-1.03,
176.05,
speed
capability
-0.26,
-16.38,
LPA
associated
-24.10,
a
decline
24.25,
average
(range)
combination
time
use
follows:
142
min/day,
534
295
SLP
469
min/day.
115
536
306
482
both
males
increased
reduced
improved
strength,
while
sleep
duration
contributed
overall
fitness.
These
findings
highlight
importance
balanced
daily
schedule
Journal of Sleep Research,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 9, 2024
Summary
Inadequate
sleep
in
older
adults
is
linked
to
health
issues
such
as
frailty,
cognitive
impairment
and
cardiovascular
disorders.
Maintaining
regular
patterns
important
for
healthy
aging,
making
effective
monitoring
essential.
While
polysomnography
the
gold‐standard
diagnosing
disorders,
its
use
home
settings
limited.
Alternative
objective
methods
can
offer
insights
into
natural
factors
affecting
them
without
limitations
of
polysomnography.
This
scoping
review
aims
examine
current
technologies,
sensors
parameters
used
home‐based
adults.
It
also
explore
various
predictors
outcomes
associated
with
understand
at
home.
We
identified
54
relevant
articles
using
PubMed,
Scopus,
Web
Science
an
AI
tool
(Research
Rabbit),
48
studies
wearable
technologies
eight
non‐wearable
technologies.
Further,
six
types
were
utilized.
The
most
common
technology
employed
was
actigraphy
wearables,
while
ballistocardiography
electroencephalography
less
common.
frequent
measured
total
time,
wakeup
after
onset
efficiency,
only
evaluating
architecture
terms
stages.
Additionally,
categories
analysed,
including
Health‐related,
Environmental,
Interventional,
Behavioural,
Time
Place,
Social
associations.
These
associations
correlate
include
in‐bed
behaviours,
exterior
housing
conditions,
aerobic
exercise,
living
place,
relationship
status,
seasonal
thermal
environments.
Expert Review of Neurotherapeutics,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 14, 2025
Optimal
sleep
duration
is
increasingly
recognized
as
an
important
determinant
of
overall
health,
including
cognitive
functioning.
Studies
often
report
a
U-
or
J-shaped
relationship
between
and
incident
dementia
deterioration,
whereas
long
sleep,
the
extremes
duration,
transition
to
were
particularly
detrimental.
In
preclinical
studies,
partial
complete
deprivation
produced
inflammation,
oxidative
stress,
well
increased
tau
hyperphosphorylation
amyloid-β
burden.
humans,
although
findings
are
less
pronounced,
they
still
highlight
that
transitioning
excessive
associated
with
neurodegeneration.
Moreover,
association
complex
modified
by
genetic,
psychosocial
lifestyle
factors,
along
psychiatric
somatic
comorbidities.
The
purpose
this
perspective
summarize
current
knowledge
on
dementia.
It
based
literature
search
for
meta-analyses
prospective
studies
exposure
outcome.
Sleep
modifiable
risk
factor
while
may
be
early
sign
Therefore,
self-reported
easy-to-use
tool
detecting
individuals
who
at
deterioration.
Journal of Sleep Research,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 28, 2025
Consumer
sleep
trackers
provide
useful
insight
into
sleep.
However,
large-scale
performance
evaluation
studies
are
needed
to
properly
understand
tracker
accuracy.
This
study
evaluated
of
an
under-mattress
sensor
estimate
and
wake
versus
polysomnography
in
a
large
sample,
including
individuals
with
without
disorders
during
day
night
opportunities,
across
multiple
in-laboratory
studies.
One-hundred
eighty-three
participants
(51%/49%
male/female,
mean
[SD]
age
=
45
[18]
years)
attended
the
laboratory
for
research
simultaneous
(Withings
Sleep
Analyser)
recordings.
Epoch-by-epoch
analyses
determined
accuracy,
sensitivity
specificity
Withings
Analyser
polysomnography.
Bland-Altman
plots
examined
bias
duration,
efficiency,
onset-latency,
after
onset.
Overall
sleep-wake
classification
accuracy
was
83%,
95%
37%.
The
significantly
overestimated
total
time
(48
[81]
min),
efficiency
(9
[15]%)
sleep-onset
latency
(6
[26]
underestimated
onset
(54
[78]
min).
Accuracy
were
higher
daytime
opportunities
healthy
(89%
47%
82%
26%,
respectively,
p
<
0.05).
also
97%)
those
(81%
91%,
is
comparable
other
consumer
trackers,
high
but
poor
compared
reasonably
stable,
more
variable
people
disorder.
Contactless,
sensors
show
promise
accurate
monitoring,
noting
tendency
over-estimate
particularly
where
high.
Abstract
Sleep
disorders
are
prevalent
in
shift
workers
but
commonly
undiagnosed
and
unmanaged.
This
poses
considerable
safety,
productivity,
health
risks.
There
is
limited
education
or
early
intervention
to
encourage
awareness
of,
treatment
for,
sleep
young
adults
who
will
transition
into
careers
requiring
work.
study
aims
investigate
(a)
the
clinical
effectiveness
of
simulated
work
exposure
cognitive
performance
feedback
for
prompting
help-seeking
problems,
(b)
feasibility
acceptability
implementing
this
future
healthcare
workers.
A
hybrid
type
I
effectiveness-implementation
trial
be
conducted
from
June
2024
December
2025
with
prospective
currently
enrolled
a
medicine,
paramedicine,
nursing
degree.
Ninety
(18–39
years)
self-report
disturbances
recruited
complete
combination
structured
interviews,
screening
questionnaires,
remote
monitoring
technology,
overnight
polysomnography
(PSG).
Participants
randomized
across
three
conditions,
varying
night
without
sleep,
feedback.
All
individuals
attend
diagnostic
appointment
psychologist
physician
discuss
pathways
their
sleep.
The
primary
outcomes
professional
(yes/no),
time
(days),
road
safety-related
events
over
12
months.
Process
evaluation
explore
approach
participants’
perspective.
Nature and Science of Sleep,
Год журнала:
2025,
Номер
Volume 17, С. 865 - 878
Опубликована: Май 1, 2025
The
influence
of
sleep
environments
on
quality
is
well-established;
however,
the
specific
role
mattress
design
remains
underexplored.
Existing
studies
focus
primarily
ergonomic
aspects,
such
as
pressure
relief
and
spinal
support,
yet
lack
conclusive
evidence
linking
these
features
to
improved
quality.
This
study
aimed
evaluate
effects
firmness
Twelve
participants
with
a
moderate
body
mass
index
(BMI)
were
tested
across
three
levels
firmness:
soft
(32.6
HA),
medium
(64.6
firm
(83.8
HA).
Sleep
architecture
neurophysiological
activity
assessed
using
polysomnography
(PSG),
EEG-derived
features,
including
power
spectral
characteristics,
spindle
activity,
slow-wave
parameters,
further
analyzed.
Our
findings
indicate
that
medium-firm
provides
better
quality,
reflected
in
narrower
range
(Range=xmax-xmin)
duration,
efficiency,
latency,
well
increased
activity.
A
repeated-measures
ANOVA
revealed
significant
effect
type
latency
(p
<
0.05,
partial
η²=0.26),
being
longer
(12.42
±
1.94
min)
than
(7.71
1.31
min,
p
0.05).
Another
showed
differences
stage
transitions
η²=0.32),
more
(29.17
2.35)
compared
(21.75
2.13,
yielded
mixed
results,
suggesting
suitability
for
some
individuals
but
not
universally.
Post-sleep
vigilance
statistically
significant.
significantly
influences
offering
optimal
outcomes
BMI.
contribute
development
scientifically
informed
designs,
smart
mattresses
at
improving
Seminars in Respiratory and Critical Care Medicine,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 21, 2025
Abstract
Sleep
is
recognized
as
a
foundational
pillar
of
health,
essential
for
maintaining
nearly
all
vital
processes,
and
crucial
component
cardiovascular
function.
In
recent
years,
there
has
been
paradigm
shift
to
conceptualize
sleep
health
combination
multiple
domains,
including
duration,
timing,
quality,
variability/regularity,
habits/behaviors,
disordered
sleep.
This
review
provides
comprehensive
overview
the
current
evidence
linking
multifaceted
elements
that
contribute
healthy
with
blood
pressure-related
outcomes.
The
reviewed
literature
indicates
strong
relationship
between
health.
However,
specific
pathophysiological
mechanisms
bridge
various
dimensions
outcomes
remain
elusive.
Given
global
burden
disease,
understanding
interplay
important
implications
both
individual
population
Sustained
efforts
move
beyond
focus
on
discrete
domains
are
fully
understand
this
complex
potentially
bidirectional
relationship.
Promoting
patterns
optimizing
management
treatment
disorders
key
steps
toward
developing
more
strategies
reducing
risk.
Integrating
into
routine
clinical
care
identified
critical
opportunity
enhance
disease
prevention
management,
particularly
among
vulnerable
high-risk
populations.
