Journal of Pineal Research,
Год журнала:
2021,
Номер
70(3)
Опубликована: Фев. 2, 2021
Appropriate
synchronization
of
the
timing
behaviors
with
circadian
clock
and
adequate
sleep
are
both
important
for
almost
every
physiological
process.
The
relative
to
social
(ie,
local)
time
can
vary
greatly
among
individuals.
Whether
these
processes
is
stable
within
an
individual
not
well-understood.
We
examined
stability
circadian-controlled
melatonin
timing,
their
interaction
across
~
100
days
in
15
students
at
a
single
university.
At
three
points
35-days
apart,
was
determined
from
dim-light
onset
(DLMO).
Sleep
(timing
duration)
chronotype
mid-sleep
on
free
corrected
loss
school/work
days)
were
via
actigraphy
analyzed
1-month
bins.
Melatonin
stable,
perfect
relationship
strength
as
intraclass
correlation
coefficients
([ICC]=0.85);
average
DLMO
all
participants
only
changed
first
month
by
21
minutes
2
5
3.
also
demonstrated
high
stability,
ICC
strengths
ranging
substantial
(ICCs
=
0.65-0.85).
Average
significantly
associated
(r2
0.53,
P
<.01),
displaying
months
(ICC
0.61).
These
findings
robust
young
adults
living
real-world
settings
holds
promise
better
understanding
reliability
previous
cross-sectional
reports
future
individualized
strategies
combat
circadian-associated
disease
impaired
safety
"chronomedicine").
Diabetes Care,
Год журнала:
2022,
Номер
45(11), С. 2753 - 2786
Опубликована: Сен. 23, 2022
The
American
Diabetes
Association
and
the
European
for
Study
of
convened
a
panel
to
update
previous
consensus
statements
on
management
hyperglycemia
in
type
2
diabetes
adults,
published
since
2006
last
updated
2019.
target
audience
is
full
spectrum
professional
health
care
team
providing
U.S.
Europe.
A
systematic
examination
publications
2018
informed
new
recommendations.
These
include
additional
focus
social
determinants
health,
system,
physical
activity
behaviors,
including
sleep.
There
greater
emphasis
weight
as
part
holistic
approach
management.
results
cardiovascular
kidney
outcomes
trials
involving
sodium–glucose
cotransporter
inhibitors
glucagon-like
peptide
1
receptor
agonists,
assessment
subgroups,
inform
broader
recommendations
cardiorenal
protection
people
with
at
high
risk
disease.
After
summary
listing
recommendations,
practical
tips
implementation
are
provided.
Sleep
regularity
predicts
many
health-related
outcomes.
Currently,
however,
there
is
no
systematic
approach
to
measuring
sleep
regularity.
Traditionally,
metrics
have
assessed
deviations
in
patterns
from
an
individual's
average;
these
traditional
include
intra-individual
standard
deviation
(StDev),
interdaily
stability
(IS),
and
social
jet
lag
(SJL).
Two
were
recently
proposed
that
instead
measure
variability
between
consecutive
days:
composite
phase
(CPD)
index
(SRI).
Using
large-scale
simulations,
we
investigated
the
theoretical
properties
of
five
metrics.
Abstract
Abnormally
short
and
long
sleep
are
associated
with
premature
mortality,
achieving
optimal
duration
has
been
the
focus
of
health
guidelines.
Emerging
research
demonstrates
that
regularity,
day-to-day
consistency
sleep–wake
timing,
can
be
a
stronger
predictor
for
some
outcomes
than
duration.
The
role
regularity
in
however,
not
investigated
large
cohort
objective
data.
We
therefore
aimed
to
compare
how
predicted
risk
all-cause
cause-specific
mortality.
calculated
Sleep
Regularity
Index
(SRI)
scores
from
>
10
million
hours
accelerometer
data
60
977
UK
Biobank
participants
(62.8
±
7.8
years,
55.0%
female,
median[IQR]
SRI:
81.0[73.8–86.3]).
Mortality
was
reported
up
years
after
recording
1859
(4.84
deaths
per
1000
person-years,
mean
(±SD)
follow-up
6.30
0.83
years).
Higher
20%–48%
lower
mortality
(p
<
.001
p
=
0.004),
16%–39%
cancer
0.001
0.017),
22%–57%
cardiometabolic
0.048),
across
top
four
SRI
quintiles
compared
least
regular
quintile.
Results
were
adjusted
age,
sex,
ethnicity,
sociodemographic,
lifestyle,
factors.
duration,
by
comparing
equivalent
models,
nested
SRI-mortality
models
without
0.14–0.20).
These
findings
indicate
is
an
important
may
simple,
effective
target
improving
general
survival.
Journal of the American Heart Association,
Год журнала:
2022,
Номер
11(21)
Опубликована: Окт. 19, 2022
Background
Although
sufficient
and
healthy
sleep
is
inversely
associated
with
cardiovascular
disease
(CVD)
its
risk
factors,
the
American
Heart
Association's
Life's
Simple
7
(LS7),
as
a
measure
of
health
(CVH),
did
not
include
sleep.
We
evaluated
an
expanded
CVH
that
includes
eighth
metric
in
relation
to
CVD
risk.
Methods
Results
The
analytic
sample
consisted
MESA
(Multi-Ethnic
Study
Atherosclerosis)
Sleep
participants
who
had
complete
data
on
characteristics
from
overnight
polysomnography,
7-day
wrist
actigraphy,
validated
questionnaires,
outcome.
computed
LS7
score
4
iterations
new
score:
1
included
duration,
2
linked
literature
(sleep
insomnia,
daytime
sleepiness,
obstructive
apnea),
scores
3
(score
3:
duration
efficiency,
apnea;
4:
3+sleep
regularity).
Multivariable-adjusted
logistic
Cox
proportional
hazards
models
associations
prevalence
incidence.
Among
1920
(mean
age:
69±9
years;
54%
female),
there
were
95
prevalent
events
93
incident
cases
follow-up,
4.4
years).
Those
highest
versus
lowest
tertile
up
80%
lower
odds
CVD.
was
significantly
incidence
(hazard
ratio,
0.62
[95%
CI,
0.37-1.04]).
1,
which
4,
multidimensional
health,
43%
47%
0.57
0.33-0.97];
hazard
0.53
0.32-0.89]),
respectively.
Conclusions
predicted
older
US
adults.
incorporation
metric,
akin
other
behaviors,
may
enhance
primordial
primary
prevention
efforts.
Findings
warrant
confirmation
larger
cohorts
over
longer
follow-up.
Journal of the American Heart Association,
Год журнала:
2023,
Номер
12(4)
Опубликована: Фев. 21, 2023
Background
Sleep
irregularity
has
been
linked
to
incident
cardiovascular
disease.
Less
is
known
about
associations
of
sleep
regularity
with
atherosclerosis.
We
examined
cross‐sectional
actigraphy‐assessed
duration
and
timing
subclinical
atherosclerosis
in
the
community‐based
MESA
(Multi‐Ethnic
Study
Atherosclerosis).
Methods
Results
Ancillary
participants
(N=2032;
mean
age,
68.6±9.2
years;
37.9%
White)
completed
7‐day
wrist
actigraphy.
Participants
underwent
assessments
coronary
artery
calcium,
carotid
plaque
presence,
intima‐media
thickness,
ankle‐brachial
index.
was
quantified
by
with‐in
person
SD
onset
timing.
Relative
risk
regression
models
were
used
calculate
prevalence
ratios
95%
CIs.
Models
are
adjusted
for
demographics,
disease
factors,
other
objectively
assessed
characteristics
including
obstructive
apnea,
duration,
fragmentation.
After
adjustment,
compared
more
regular
durations
(SD
≤60
minutes),
greater
>120
minutes)
likely
have
high
calcium
burden
(>300;
ratio,
1.33
[95%
CI,
1.03–1.71])
abnormal
index
(<0.9;
1.75
1.03–2.95]).
Compared
≤30
irregular
>90
(prevalence
1.39
1.07–1.82]).
Associations
persisted
after
adjustment
factors
average
Conclusions
irregularity,
particularly
associated
several
measures
may
be
a
modifiable
target
reducing
risk.
Future
investigation
into
reduction
interventions
targeting
warranted.
Nature Medicine,
Год журнала:
2024,
Номер
30(9), С. 2648 - 2656
Опубликована: Июль 19, 2024
Abstract
Poor
sleep
health
is
associated
with
increased
all-cause
mortality
and
incidence
of
many
chronic
conditions.
Previous
studies
have
relied
on
cross-sectional
self-reported
survey
data
or
polysomnograms,
which
limitations
respect
to
granularity,
sample
size
longitudinal
information.
Here,
using
objectively
measured,
from
commercial
wearable
devices
linked
electronic
record
the
All
Us
Research
Program,
we
show
that
patterns,
including
stages,
duration
regularity,
are
disease
incidence.
Of
6,785
participants
included
in
this
study,
71%
were
female,
84%
self-identified
as
white
had
a
college
degree;
median
age
was
50.2
years
(interquartile
range
=
35.7,
61.5)
monitoring
period
4.5
(2.5,
6.5).
We
found
rapid
eye
movement
deep
inversely
odds
incident
atrial
fibrillation
irregularity
obesity,
hyperlipidemia,
hypertension,
major
depressive
disorder
generalized
anxiety
disorder.
Moreover,
J-shaped
associations
observed
between
average
daily
These
findings
regularity
all
important
factors
development
may
inform
evidence-based
recommendations
healthy
sleeping
habits.
Hypertension,
Год журнала:
2023,
Номер
80(5), С. 1117 - 1126
Опубликована: Март 28, 2023
Irregularities
in
sleep
duration
and
timing
have
emerged
as
potential
risk
factors
for
hypertension.
This
study
examined
associations
between
irregularity
with
hypertension
a
large,
global
sample
over
multiple
months.Data
from
12
287
adults,
who
used
an
under-mattress
device
to
monitor
also
provided
blood
pressure
recordings
on
≥5
separate
occasions,
were
analyzed.
Sleep
was
assessed
the
SD
total
time
across
≈9-month
recording
period.
SDs
onset
time,
midpoint,
offset
time.
Logistic
regressions
conducted
investigate
hypertension,
defined
median
systolic
≥140
mm
Hg
or
diastolic
≥90
Hg.Participants
middle-aged
(mean±SD,
50±12
years),
mostly
men
(88%)
overweight
(body
mass
index,
28±6
kg/m-2).
consistently
associated
≈9%
17%
increase
independently
of
A
≈34-minute
32%
(1.32
[1.20-1.45]).
32-minute
midpoint
18%
(1.18
[1.09-1.29]),
while
43-minute
8.9%
(1.09
[1.001-1.18]).These
findings
support
that
irregularity,
both
timing,
is
marker
poor
cardiovascular
health.
Further
mechanistic
investigations
temporal
relationships
day-to-day
fluctuations
next-day
pressure,
other
outcomes
are
warranted.
Obesity,
Год журнала:
2023,
Номер
31(3), С. 597 - 614
Опубликована: Фев. 8, 2023
Abstract
Objective
Adolescence
is
a
developmental
stage
of
critical
changes
in
sleep
and
its
circadian
timing
when
the
contribution
abnormal
variability
(amount)
regularity
(timing)
to
obesity
associated
adverse
cardiometabolic
health
outcomes
appears
increase.
The
aim
this
study
was
summarize
findings
from
studies
conducted
adolescents
examining
both
relation
health.
Gaps
research
potential
causal
pathways
that
future
should
examine
are
highlighted.
Results
Nightly
deviations
duration
midpoint
appear
contribute
development
youth.
Studies
show
increased
irregularity
with
obesity,
decreased
physical
activity,
dysregulated
eating
inadequate
diet,
metabolic
dysfunction,
impaired
cardiac
autonomic
balance,
elevated
blood
pressure
adolescents.
Conclusions
A
stable
essential
overall
well‐being
Emerging
evidence
supports
misalignment,
including
irregularity,
obesity‐related
early
on
adolescence.
Future
focus
underlying
behavioral
biological
mechanisms
pathway
between
day‐to‐day
amount
obesity.