SLEEP,
Journal Year:
2020,
Volume and Issue:
43(5)
Published: Jan. 6, 2020
Abstract
Study
Objectives
To
examine
the
association
between
sleep
duration
trajectories
over
28
years
and
measures
of
cognition,
gray
matter
volume,
white
microstructure.
We
hypothesize
that
consistently
meeting
guidelines
recommend
at
least
7
hours
per
night
will
be
associated
with
better
greater
volumes,
higher
fractional
anisotropy,
lower
radial
diffusivity
values.
Methods
studied
613
participants
(age
42.3
±
5.03
baseline)
who
self-reported
five
time
points
1985
2013,
had
cognitive
testing
magnetic
resonance
imaging
administered
a
single
timepoint
2012
2016.
applied
latent
class
growth
analysis
to
estimate
membership
into
trajectory
groups
based
on
time.
Analysis
volumes
was
carried
out
using
FSL
Voxel-Based-Morphometry
microstructure
Tract
Based
Spatial
Statistics.
assessed
group
differences
in
MRI
outcomes
nonparametric
permutation
testing.
Results
Latent
identified
four
groups,
an
average
5.4
0.2
(5%,
N
=
29),
6.2
0.3
(37%,
228),
7.0
(45%,
278),
7.9
(13%,
78).
No
matter,
were
detected
groups.
Conclusions
Our
null
findings
suggest
current
may
not
supported
relation
patterns
function
or
brain
structure.
Diabetes Care,
Journal Year:
2022,
Volume and Issue:
45(11), P. 2753 - 2786
Published: Sept. 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.
Biology,
Journal Year:
2019,
Volume and Issue:
8(3), P. 54 - 54
Published: July 12, 2019
The
Munich
ChronoType
Questionnaire
(MCTQ)
has
now
been
available
for
more
than
15
years
and
its
original
publication
cited
1240
times
(Google
Scholar,
May
2019).
Additionally,
online
version,
which
was
until
July
2017,
produced
almost
300,000
entries
from
all
over
the
world
(MCTQ
database).
MCTQ
gone
through
several
versions,
translated
into
13
languages,
validated
against
other
objective
measures
of
daily
timing
in
independent
studies.
Besides
being
used
as
a
method
to
correlate
circadian
features
human
biology
with
factors—ranging
health
issues
geographical
factors—the
gave
rise
quantification
old
wisdoms,
like
“teenagers
are
late”,
new
concepts,
social
jetlag.
Some
MCTQ’s
simplicity
some
view
it
critically.
Therefore,
is
time
present
self-critical
on
MCTQ,
address
misunderstandings,
give
definitions
MCTQ-derived
chronotype
concept
SLEEP,
Journal Year:
2019,
Volume and Issue:
43(2)
Published: Oct. 23, 2019
Abstract
The
“International
Biomarkers
Workshop
on
Wearables
in
Sleep
and
Circadian
Science”
was
held
at
the
2018
SLEEP
Meeting
of
Associated
Professional
Societies.
workshop
brought
together
experts
consumer
sleep
technologies
medical
devices,
circadian
physiology,
clinical
translational
research,
practice.
goals
were:
(1)
characterize
term
“wearable”
for
use
science
identify
relevant
metrics
wearables
to
measure;
(2)
assess
current
science;
(3)
barriers
applying
(4)
opportunities
advance
science.
For
purposes
biomarker
development
fields,
included
terms
“wearables,”
“nearables,”
“ingestibles.”
Given
state
technology,
limited
validation
wearable
devices
against
gold
standard
measurements
is
primary
factor
limiting
large-scale
research.
As
such,
committee
proposed
a
set
best
practices
studies
guidelines
regarding
how
choose
device
research
use.
To
complement
studies,
recommends
public
data
repository
data.
Finally,
scientists
must
actively
engage
maintain
rigor
scientific
findings
health
messages
based
technology.
Journal of Clinical Investigation,
Journal Year:
2024,
Volume and Issue:
134(14)
Published: July 14, 2024
A
growing
body
of
research
has
identified
circadian-rhythm
disruption
as
a
risk
factor
for
metabolic
health.
However,
the
underlying
biological
basis
remains
complex,
and
complete
molecular
mechanisms
are
unknown.
There
is
emerging
evidence
from
animal
human
to
suggest
that
expression
core
circadian
genes,
such
locomotor
output
cycles
kaput
gene
(CLOCK),
brain
muscle
ARNT-Like
1
(BMAL1),
period
(PER),
cyptochrome
(CRY),
consequent
hundreds
genes
integral
regulation
cellular
metabolism.
These
represent
potential
pathophysiological
pathways
linking
adverse
health
outcomes,
including
obesity,
syndrome,
type
2
diabetes.
Here,
we
aim
summarize
select
in
vivo
models
compare
these
results
with
epidemiologic
findings
advance
understanding
existing
foundational
mechanistic
links
between
altered
clock
contributions
health-related
pathologies.
Findings
have
important
implications
treatment,
prevention,
control
pathologies
leading
causes
death
disability,
diabetes,
cardiovascular
disease,
cancer.
Clocks & Sleep,
Journal Year:
2020,
Volume and Issue:
2(1), P. 61 - 85
Published: Feb. 28, 2020
Daylight
stems
solely
from
direct,
scattered
and
reflected
sunlight,
undergoes
dynamic
changes
in
irradiance
spectral
power
composition
due
to
latitude,
time
of
day,
year
the
nature
physical
environment
(reflections,
buildings
vegetation).
Humans
their
ancestors
evolved
under
these
natural
day/night
cycles
over
millions
years.
Electric
light,
a
relatively
recent
invention,
interacts
competes
with
light–dark
cycle
impact
human
biology.
What
are
consequences
living
industrialised
urban
areas
much
less
daylight
more
use
electric
throughout
day
(and
at
night),
on
general
health
quality
life?
In
this
workshop
report,
we
have
classified
key
gaps
knowledge
research
into
three
main
groups:
(I)
uncertainty
as
quantity
needed
for
“optimal”
physiological
psychological
functioning,
(II)
lack
consensus
practical
measurement
assessment
methods
tools
monitoring
real
(day)
light
exposure
across
multiple
scales,
(III)
insufficient
integration
exchange
bases
different
disciplines.
Crucial
short
long-term
objectives
fill
proposed.
JAMA Network Open,
Journal Year:
2020,
Volume and Issue:
3(5), P. e205246 - e205246
Published: May 22, 2020
Importance
Single
self-reported
measures
of
sleep
duration
are
associated
with
adverse
health
outcomes;
however,
long-term
patterns
and
their
association
cardiovascular
events
(CVEs)
all-cause
mortality
remain
unknown.
Objective
To
determine
whether
trajectories
vs
single-measure
subsequent
risk
CVEs
mortality.
Design,
Setting,
Participants
The
Kailuan
study
is
a
prospective,
population-based
cohort
that
began
in
2006.
present
included
52
599
Chinese
adults
without
atrial
fibrillation,
myocardial
infarction,
stroke,
or
cancer
to
2010.
Trajectories
from
January
1,
2006,
December
31,
2010,
were
identified
investigate
the
2017.
Data
analysis
was
conducted
July
1
October
2019.
Exposures
Habitual
nocturnal
durations
collected
2008,
for
4
years
by
latent
mixture
modeling.
Main
Outcomes
Measures
All-cause
first
incident
(atrial
stroke)
2010
2017
confirmed
medical
records.
Based
on
baseline
over
time,
categorized
(normal
stable,
normal
decreasing,
low
increasing,
stable).
Results
Of
(mean
[SD]
age
at
baseline,
52.5
[11.8]
years),
40
087
(76.2%)
male
12
512
(23.8%)
female.
Four
distinct
4-year
trajectory
identified:
stable
(range,
7.4
7.5
hours
[n
=
262]),
decreasing
decrease
7.0
5.5
8074]),
increasing
increase
4.9
6.9
3384]),
4.2
879]).
During
mean
(SD)
follow-up
6.7
(1.1)
years,
2361
individuals
died
2406
had
CVE.
Compared
normal-stable
pattern
adjusting
potential
confounders,
low-increasing
increased
(hazard
ratio
[HR],
1.22;
95%
CI,
1.04-1.43),
normal-decreasing
(HR,
1.34;
1.15-1.57),
low-stable
highest
1.47;
1.05-2.05)
death
1.50;
1.07-2.10).
Conclusions
Relevance
In
this
study,
lower
unstable
significantly
Longitudinal
may
assist
more
precise
identification
different
at-risk
groups
possible
intervention.
People
reporting
consistently
sleeping
less
than
5
per
night
should
be
regarded
as
population
higher
CVE
The
Munich
ChronoType
Questionnaire
(MCTQ)
has
now
been
available
for
more
than
15
years;
its
original
publication
cited
1,240
times
(Google
Scholar,
May
2019);
online
version,
which
was
until
July
2017,
produced
almost
300,000
entries
from
all
over
the
world
(MCTQ
database).
MCTQ
gone
through
several
versions,
translated
into
13
languages
and
validated
against
other
objective
measures
of
daily
timing
in
independent
studies.
Besides
being
used
as
a
method
to
correlate
circadian
features
human
biology
with
factors
–
ranging
health
issues
geographical
gave
rise
quantifying
old
wisdoms,
like
“teenagers
are
late”
new
concepts,
social
jetlag.
Some
MCTQ’s
simplicity
some
view
it
critically;
is
time
have
self-critical
on
MCTQ,
address
misunderstandings
give
definitions
about
MCTQ-derived
chronotype
concept