Digital Health,
Journal Year:
2022,
Volume and Issue:
8, P. 205520762211448 - 205520762211448
Published: Jan. 1, 2022
Background
Light
exposure
is
an
important
driver
and
modulator
of
human
physiology,
behavior
overall
health,
including
the
biological
clock,
sleep-wake
cycles,
mood
alertness.
can
also
be
used
as
a
directed
intervention,
e.g.,
in
form
light
therapy
seasonal
affective
disorder
(SAD),
jetlag
prevention
treatment,
or
to
treat
circadian
disorders.
Recently,
system
quantities
units
related
physiological
effects
was
standardized
by
International
Commission
on
Illumination
(CIE
S
026/E:2018).
At
same
time,
biometric
monitoring
technologies
(BioMeTs)
capture
personalized
were
developed.
However,
because
there
are
currently
no
standard
approaches
evaluate
digital
dosimeters,
need
provide
firm
framework
for
characterization,
calibration,
reporting
these
sensors
urgent.
Objective
This
article
provides
such
applying
principles
verification,
analytic
validation
clinical
(V3)
state-of-the-art
approach
tools
standards
medicine
dosimetry.
Results
describes
opportunities
use
dosimeters
basic
research,
exposure,
measuring
adherence
both
non-clinical
populations
light-based
interventions
trials.
Nutrients,
Journal Year:
2022,
Volume and Issue:
14(19), P. 3934 - 3934
Published: Sept. 22, 2022
Melatonin
has
become
a
popular
dietary
supplement,
most
known
as
chronobiotic,
and
for
establishing
healthy
sleep.
Research
over
the
last
decade
into
cancer,
Alzheimer’s
disease,
multiple
sclerosis,
fertility,
PCOS,
many
other
conditions,
combined
with
COVID-19
pandemic,
led
to
greater
awareness
of
melatonin
because
its
ability
act
potent
antioxidant,
immune-active
agent,
mitochondrial
regulator.
There
are
distinct
similarities
between
vitamin
D
in
depth
breadth
their
impact
on
health.
Both
hormones,
affect
systems
through
immune-modulating,
anti-inflammatory
functions,
found
skin,
responsive
sunlight
darkness.
In
fact,
there
may
be
widespread
concern
about
deficiency
“sunlight
deficiency”
reduced
secretion
result
“darkness
from
overexposure
artificial
blue
light.
The
trend
toward
use
supplements
resulted
safety,
especially
higher
doses,
long-term
use,
application
certain
populations
(e.g.,
children).
This
review
aims
evaluate
recent
data
melatonin’s
mechanisms,
clinical
uses
beyond
sleep,
safety
concerns,
thorough
summary
therapeutic
considerations
concerning
supplementation,
including
different
formats
available
(animal,
synthetic,
phytomelatonin),
dosing,
timing,
contraindications,
nutrient
combinations.
Science,
Journal Year:
2023,
Volume and Issue:
380(6650), P. 1130 - 1135
Published: June 15, 2023
Nocturnal
light
pollution
can
have
profound
effects
on
humans
and
other
organisms.
Recent
research
indicates
that
nighttime
outdoor
lighting
is
increasing
rapidly.
Evidence
from
controlled
laboratory
studies
demonstrates
nocturnal
exposure
strain
the
visual
system,
disrupt
circadian
physiology,
suppress
melatonin
secretion,
impair
sleep.
There
a
growing
body
of
work
pointing
to
adverse
human
health,
including
risk
chronic
diseases,
but
this
knowledge
in
more
nascent
stage.
In
Review,
we
synthesize
recent
context-specific
factors
physiology
relevant
relation
health
society,
identify
critical
areas
for
future
research,
highlight
policy
steps
recommendations
mitigating
urban
environment.
Proceedings of the National Academy of Sciences,
Journal Year:
2024,
Volume and Issue:
121(9)
Published: Feb. 23, 2024
Sleep,
circadian
rhythms,
and
mental
health
are
reciprocally
interlinked.
Disruption
to
the
quality,
continuity,
timing
of
sleep
can
precipitate
or
exacerbate
psychiatric
symptoms
in
susceptible
individuals,
while
treatments
that
target
sleep-circadian
disturbances
alleviate
psychopathology.
Conversely,
poor
disrupt
clock-controlled
processes.
Despite
progress
elucidating
underlying
mechanisms,
a
cohesive
approach
integrates
dynamic
interactions
between
disorder
with
both
processes
is
lacking.
This
review
synthesizes
recent
evidence
for
dysfunction
as
transdiagnostic
contributor
range
disorders,
an
emphasis
on
biological
mechanisms.
We
highlight
observations
from
adolescent
young
adults,
who
at
greatest
risk
developing
whom
early
detection
intervention
promise
benefit.
In
particular,
we
aim
a)
integrate
factors
implicated
pathophysiology
treatment
mood,
anxiety,
psychosis
spectrum
perspective;
b)
need
reframe
existing
knowledge
adopt
integrated
which
recognizes
interaction
factors;
c)
identify
important
gaps
opportunities
further
research.
Cells,
Journal Year:
2024,
Volume and Issue:
13(2), P. 138 - 138
Published: Jan. 11, 2024
A
multitude
of
physiological
processes,
human
behavioral
patterns,
and
social
interactions
are
intricately
governed
by
the
complex
interplay
between
external
circumstances
endogenous
circadian
rhythms.
This
multidimensional
regulatory
framework
is
susceptible
to
disruptions,
in
contemporary
society,
there
a
prevalent
occurrence
misalignments
system
environmental
cues,
phenomenon
frequently
associated
with
adverse
health
consequences.
The
onset
most
current
chronic
diseases
intimately
connected
alterations
lifestyle
practices
under
various
facets,
including
following:
reduced
physical
activity,
exposure
artificial
light,
also
acknowledged
as
light
pollution,
sedentary
behavior
coupled
consuming
energy-dense
nutriments,
irregular
eating
frameworks,
disruptions
sleep
patterns
(inadequate
quality
duration),
engagement
shift
work,
known
jetlag.
rapid
evolution
life
domestic
routines
has
significantly
outpaced
rate
genetic
adaptation.
Consequently,
underlying
rhythms
exposed
multiple
shifts,
thereby
elevating
susceptibility
disease
predisposition.
comprehensive
review
endeavors
synthesize
existing
empirical
evidence
that
substantiates
conceptual
integration
clock,
biochemical
molecular
homeostasis,
oxidative
stress,
stimuli
imparted
exercise,
sleep,
nutrition.
Chronobiology International,
Journal Year:
2025,
Volume and Issue:
unknown, P. 1 - 14
Published: Jan. 6, 2025
Seven-day
actigraphy
was
performed
within
1
month
in
122
community-dwelling
adults
(mean
age
24.40
y,
31
(25.4%)
men)
the
same
city
of
Tyumen,
Russia.
Groups
with
different
COVID-19
status
(present,
COVID-19(+),
Frontiers in Neurology,
Journal Year:
2021,
Volume and Issue:
12
Published: Jan. 27, 2021
At
its
best,
human-centric
lighting
considers
the
visual
and
non-visual
effects
of
light
in
support
positive
human
outcomes.
worst,
it
is
a
marketing
phrase
used
to
healthwash
products
or
design
solutions.
There
no
doubt
that
environmental
contributes
health,
but
how
might
one
practice
given
both
credible
potential
implausible
hype?
Marketing
literature
filled
with
promises.
Technical
societies
have
summarized
science
not
yet
offered
guidance.
Meanwhile,
designers
are
middle,
attempting
distinguish
knowledge
from
which
dubious
make
decisions
affect
people
directly.
This
article
intended
to:
(1)
empower
reader
fundamental
understandings
ways
affects
health;
(2)
provide
process
for
can
dovetail
decision-making
already
part
designer's
workflow.
Proceedings of the National Academy of Sciences,
Journal Year:
2023,
Volume and Issue:
120(42)
Published: Oct. 9, 2023
Experimental
and
interventional
studies
show
that
light
can
regulate
sleep
timing
sleepiness
while
awake
by
setting
the
phase
of
circadian
rhythms
supporting
alertness.
The
extent
to
which
differences
in
exposure
explain
variations
within
between
individuals
everyday
life
remains
less
clear.
Here,
we
establish
a
method
address
this
deficit,
incorporating
an
open-source
wearable
wrist-worn
logger
(SpectraWear)
smartphone-based
online
data
collection.
We
use
it
simultaneously
record
longitudinal
(in
melanopic
equivalent
daylight
illuminance),
timing,
subjective
alertness
over
seven
days
convenience
sample
59
UK
adults
without
externally
imposed
challenge
(e.g.,
shift
work
or
jetlag).
Participants
reliably
had
strong
daily
but
frequently
were
exposed
during
daytime
more
pre-bedtime
episodes
than
recommended
[T.
M.
Brown
et
al.
,
PLoS
Biol.
20
e3001571
(2022)].
Prior
several
hours
was
associated
with
lower
with,
particular,
brighter
late
episode
after
wake
linked
reduced
early
morning
(sleep
inertia).
Higher
longer
onset
latency.
Early
correlated
reproducible
robust
patterns
higher
daytime/lower
night-time
exposure.
Our
study
establishes
for
collecting
health/performance
provides
evidence
associations
important
determinants
health
performance.