Oxford University Press eBooks,
Journal Year:
2025,
Volume and Issue:
unknown, P. 269 - 276
Published: April 1, 2025
Abstract
This
chapter
reviews
how
disturbed
sleep
and
circadian
rhythms
relate
to
psychiatric
neurological
disorders.
Nighttime
disturbances,
daytime
hypersomnia,
disrupted
occur
in
the
majority
of
people
with
or
Evidence
supporting
that
brain
disorders
have
a
bidirectional
relationship,
such
as
disturbances
increasing
risk
developing
neuropsychiatric
disrupting
sleep,
is
reviewed.
also
discusses
play
key
role
cognitive
emotional
processes
tightly
linked
disorders,
not
all
forms
disruption
are
equally
associated
different
types
medications
used
improve
treat
therapies
can
differentially
disrupt
sleep.
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.
EBioMedicine,
Journal Year:
2024,
Volume and Issue:
103, P. 105094 - 105094
Published: April 4, 2024
Sleep
and
circadian
rhythm
disruptions
are
common
in
patients
with
mood
disorders.
The
intricate
relationship
between
these
has
been
investigated,
but
their
causal
dynamics
remain
unknown.
Bipolar Disorders,
Journal Year:
2021,
Volume and Issue:
24(3), P. 232 - 263
Published: Dec. 1, 2021
Symptoms
of
bipolar
disorder
(BD)
include
changes
in
mood,
activity,
energy,
sleep,
and
appetite.
Since
many
these
processes
are
regulated
by
circadian
function,
rhythm
disturbance
has
been
examined
as
a
biological
feature
underlying
BD.
The
International
Society
for
Bipolar
Disorders
Chronobiology
Task
Force
(CTF)
was
commissioned
to
review
evidence
neurobiological
behavioral
mechanisms
pertinent
BD.Drawing
upon
expertise
animal
models,
biomarkers,
physiology,
behavior,
CTF
analyzed
the
relevant
cross-disciplinary
literature
precisely
frame
discussion
around
disruption
BD,
highlight
key
findings,
first
time
integrate
findings
across
levels
analysis
develop
an
internally
consistent,
coherent
theoretical
framework.Evidence
from
multiple
sources
implicates
system
mood
regulation,
with
corresponding
associations
BD
diagnoses
mood-related
traits
reported
genetic,
cellular,
physiological,
domains.
However,
does
not
appear
be
specific
is
present
variety
high-risk,
prodromal,
syndromic
psychiatric
disorders.
Substantial
variability
ambiguity
among
definitions,
concepts
assumptions
research
have
limited
replication
emergence
consensus
findings.Future
rhythms
its
role
warranted.
Well-powered
studies
that
carefully
define
between
BD-related
chronobiologically-related
constructs,
will
most
illuminating.
Trends in Pharmacological Sciences,
Journal Year:
2023,
Volume and Issue:
44(10), P. 689 - 704
Published: Aug. 28, 2023
Mood
disorders
account
for
a
significant
global
disease
burden,
and
pharmacological
innovation
is
needed
as
existing
medications
are
suboptimal.
A
wide
range
of
evidence
implicates
circadian
sleep
dysfunction
in
the
pathogenesis
mood
disorders,
there
growing
interest
these
chronobiological
pathways
focus
treatment
innovation.
We
review
contemporary
three
promising
areas
circadian-clock-based
therapeutics
disorders:
targeting
system
informed
by
mechanistic
molecular
advances;
time-tailoring
medications;
personalizing
using
parameters.
also
consider
limitations
challenges
accelerating
development
new
circadian-informed
pharmacotherapies
disorders.
Acta Paediatrica,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 4, 2025
Cyberbullying
has
been
linked
to
various
adverse
psychological
outcomes,
but
prospective
associations
with
manic
symptoms
in
early
adolescents
remain
unexplored.
We
examined
the
relationship
between
cyberbullying
victimisation
and
a
diverse
cohort
of
American
children
adolescents.
analysed
data
from
Adolescent
Brain
Cognitive
Development
study
period
2
follow-up
(2018-2020)
3
(2019-2021).
Linear
regression
models
estimated
(lifetime
past
12
months)
symptoms.
adjusted
for
age,
sex,
race
ethnicity,
household
income,
parental
education,
symptoms,
anxiety,
depression,
total
screen
time,
site.
The
average
age
our
9095
(51.3%
male)
was
12.0
±
0.7
years.
prevalence
9.2%
lifetime
6.1%
months.
Adjusting
covariates,
associated
0.41
higher
symptom
sum
score
(95%
CI
0.18-0.65,
p
=
0.001),
12-month
0.38
0.11-0.66,
0.007).
These
findings
highlight
need
identification
intervention
experiencing
mitigate
its
effects
on
mental
health.
World Psychiatry,
Journal Year:
2024,
Volume and Issue:
23(1), P. 150 - 151
Published: Jan. 12, 2024
The
Mental
Health
Priority
Area
of
the
Wellcome
Trust
recently
posited
that
sleep
and
circadian
rhythm
disturbances
(SCRDs)
are
a
plausible
nexus
for
linking
aspects
biology,
phenomenology,
course
treatment
major
mood,
anxiety
psychotic
disorders1.
This
emphasis
fits
well
with
currently
spreading
trend
to
develop
more
effective
scalable
forms
indicated
prevention,
early
intervention,
secondary
prevention
(of
both
primary
illness
progression
physical
illness).
focus
on
SCRDs
also
aligns
broader
studies
as
why
some
specific
periods
life
(e.g.,
adolescence,
postnatal,
menopause,
late
life),
accompanied
by
large
shifts
in
24-hour
patterns
sleep-wake
cycle,
associated
elevated
risk
mood
disorders2.
Along
same
line,
several
research
groups
have
now
prioritized
understanding
chronobiology
advance
management
all
phases
disorders
Chronobiology
Task
Force
International
Society
Bipolar
Disorders)3.
Developments
this
area
been
greatly
assisted
increased
basic
biology
homeostatic
system
–
recognized
Nobel
Prize
Medicine
or
Physiology
2017.
Of
note
has
delineation
molecular
architecture
core
clock,
along
revelation
system's
stability
is
fundamentally
regulated
common
environmental
factors,
such
timing,
intensity
spectrum
light
exposure4.
It
appears
there
brain
circuits
mammals
which
regulates
learning
activity,
not
wholly
dependent
mediation
master
timekeeper
(the
suprachiasmatic
nucleus),
including
identified
region
perihabenular
nucleus.
discovery
new
light-sensitive
extreme
interest
clinical
psychiatry
psychiatric
epidemiology.
An
intriguing
finding
from
over
80,000
adults
UK
Biobank
was
exposure
artificial
at
night
only
rates
depression,
but
an
incidence
other
mental
disorders,
bipolar
disorder,
generalized
disorder
post-traumatic
stress
higher
self-harm
behavior
psychosis-like
experiences4.
As
predicted
basis
evidence
day-time
synchronizer
clock
mammals,
success
bright
therapy
during
day
lower
disorders4.
Triangulation
animal
models,
experimental
humans,
epidemiology
provided
strong
role
daily
good
health.
A
possible
causative
etiology
pathophysiology
least
may
surprise
those
who
think
these
epiphenomena
accompany
most
disorders.
However,
recent
discoveries
regarding
regulation
many
physiologic
behavioral
parameters
system2,
3,
alongside
developments
longitudinal
epidemiology5,
challenged
assumption.
Indeed,
it
strongly
established
across
clinical,
laboratory
field-based
settings
related
SCRD-relevant
features,
stable
trait-like
profiles
delayed
phase,
long
time,
preference
eveningness2,
3;
melatonin
body
temperature
rhythms;
abnormal
time
relationships
between
phase
markers
cycle6.
Accumulating
suggests
dysregulation
likely
be
cross-diagnostic
rather
than
disorder-specific3,
especially
key
affective
instability),
impulsivity),
cognitive
disinhibition),
immune-metabolic
insulin
resistance,
raised
C-reactive
protein
blood
levels)
phenotypes2.
Empirical
advances
predictive
significance
prior
first
episode
evident
domain.
SCRD-related
factors
eveningness
social
rhythms
observed
at-risk
offspring
parent
disorder)
youth
meta-analytic
prospective
pre-existing
SCRD
40%
onset
disorder7.
study
2,000
adolescents
young
seeking
help
early-intervention
clinics
found
disturbance
transition
earlier
later
stage
disorders8.
Studies
focusing
intensive
measurement
within-
between-day
dynamics
motor
activity
appear
dysregulated
cross-reactive
control
populations
highlighted
need
investigate
biological
interfaces
systems,
one
candidate3.
potentially
important
target
personalized
subgroup
treatments
selective
serotonin
reuptake
inhibitors
(SSRIs)
increase
sensitivity
light,
thereby
destabilize
individuals,
concern9.
requires
urgent
replication
extension
examination
positive
negative
impacts
exposures
interventions,
activation,
restriction,
stabilizers,
antipsychotic
agents,
antidepressants.
Some
agents
orexin
antagonists,
melatonin-based
antidepressants)
older
pharmacotherapies
lithium)
do
enhance
stabilization
systems
models
small
patients
disorders3.
Further
testing
effects
medications,
potential
treatment-relevant
subtyping,
highly
warranted2,
9.
There
hurdles
wider
application
insights.
Accurate,
real-time,
repeated
detection
true
timing
internal
its
alignment
external
light-dark
remains
goal.
Current
measures
largely
limited
either
intensive,
expensive,
in-lab
methods,
indirect
inferences
wearable
recordings
sleep.
Hence,
clear
development
novel
methods
based
gene
expression,
metabolic
peripheral
urinary
markers.
More
sophisticated
modelling
techniques,
tracking
symptom
clusters
objective
illness,
then
longitudinally,
required
unpick
direction
causation
phenomena.
Increased
coordinated
global
investment
timely,
lead
genuine
therapeutic
PLoS Biology,
Journal Year:
2023,
Volume and Issue:
21(1), P. e3001688 - e3001688
Published: Jan. 24, 2023
Twelve-hour
(12
h)
ultradian
rhythms
are
a
well-known
phenomenon
in
coastal
marine
organisms.
While
12
h
cycles
observed
human
behavior
and
physiology,
no
study
has
measured
the
brain.
Here,
we
identify
transcripts
that
either
peak
at
sleep/wake
transitions
(approximately
9
AM/PM)
or
static
times
3
PM/AM)
dorsolateral
prefrontal
cortex,
region
involved
cognition.
Subjects
with
schizophrenia
(SZ)
lose
genes
associated
unfolded
protein
response
neuronal
structural
maintenance.
Moreover,
mitochondrial
function
translation,
which
normally
transitions,
instead
SZ,
suggesting
suboptimal
timing
of
these
essential
processes.