Foods,
Journal Year:
2022,
Volume and Issue:
11(23), P. 3930 - 3930
Published: Dec. 5, 2022
Sleep,
a
conservative
evolutionary
behavior
of
organisms
to
adapt
changes
in
the
external
environment,
is
divided
into
natural
sleep,
healthy
state,
and
sickness
which
occurs
stressful
environments
or
during
illness.
Sickness
sleep
plays
an
important
role
maintaining
energy
homeostasis
under
injury
promoting
physical
recovery.
Tea,
popular
phytochemical-rich
beverage,
has
multiple
health
benefits,
including
lowering
stress
regulating
metabolism
sleep.
However,
tea
received
little
attention.
The
mechanism
underlying
regulation
its
association
with
maintenance
injured
remains
be
elucidated.
This
review
examines
current
research
on
effect
regulation,
focusing
function
modulating
through
metabolism,
damage
repair
model
organisms.
potential
mechanisms
are
further
suggested.
Based
biohomology
this
provides
novel
insights
new
perspective
restoring
from
diseases.
Current Opinion in Physiology,
Journal Year:
2019,
Volume and Issue:
15, P. 7 - 13
Published: Nov. 26, 2019
In
homeothermic
animals
sleep
preparatory
behaviours
often
promote
thermal
efficiency,
including
warmth-seeking,
adopting
particular
postures
(curling
up,
head
tucking)
and
nest
building,
all
promoting
warmer
skin
microclimates.
Skin
warmth
induces
NREM
body
cooling
via
circuitry
that
connects
sensation
to
the
preoptic
hypothalamus.
Coupling
induction
lower
temperature
could
serve
minimise
energy
expenditure
or
allow
reallocation.
Cooling
during
may
also
induce
transcriptional
changes
in
genes
whose
products
facilitate
housekeeping
functions
measure
time
spent
sleeping.
Proper
timing
of
vigilance
states
serves
fundamental
brain
functions.
Although
disturbance
sleep
onset
rapid
eye
movement
(SOREM)
is
frequently
reported
after
orexin
deficiency,
their
causal
relationship
still
remains
elusive.
Here,
we
further
study
a
specific
subgroup
neurons
with
convergent
projection
to
the
REM
promoting
sublaterodorsal
tegmental
nucleus
(OX
SLD
neurons).
Intriguingly,
although
OX
and
other
projection-labeled
exhibit
similar
activity
dynamics
during
sleep,
only
activation
level
exhibits
significant
positive
correlation
post-inter-REM
interval
duration,
revealing
an
essential
role
for
orexin-sublaterodorsal
(SLD)
neural
pathway
in
relieving
pressure.
Monosynaptic
tracing
reveals
that
multiple
inputs
may
help
shape
this
sleep-related
neurons.
Genetic
ablation
shows
homeostatic
architecture
sleep/wakefulness
cycles,
especially
avoidance
SOREM
sleep-like
transition,
dependent
on
activity.
A
between
occurrence
probability
depression
narcoleptic
patients
demonstrates
possible
significance
orexin-SLD
homeostasis.
Frontiers in Physiology,
Journal Year:
2019,
Volume and Issue:
10
Published: Sept. 11, 2019
A
prominent
idea
emerging
from
the
study
of
sleep
is
that
this
key
behavioural
state
regulated
in
a
complex
fashion
by
ecologically
and
physiologically
relevant
environmental
factors.
This
concept
implies
sleep,
as
behaviour,
plastic
can
be
external
agents
changes
internal
state.
Drosophila
melanogaster
constitutes
resourceful
model
system
to
behaviour.
In
year
2000,
utility
fly
was
realised,
has
since
extensively
contributed
exciting
field.
At
centre
review,
we
will
discuss
studies
showing
temperature,
food
availability/quality
interactions
with
conspecifics
regulate
sleep.
Indeed
relationship
reciprocal
perturbation
also
affect
feeding
social
interaction.
particular,
different
temperatures
well
gradual
temperature
when,
how
much
flies
Moreover,
satiation/starvation
status
an
individual
dictates
balance
between
foraging.
Nutritional
composition
diet
direct
impact
on
amount
its
fragmentation.
Likewise,
aggression
males,
courtship,
sexual
arousal,
mating
within
large
groups
animals
acute
long-lasting
effect
quality.
Importantly,
genes
neuronal
circuits
relay
information
about
environment
centres
are
starting
elucidated
focus
review.
conclusion,
most
behaviours,
needs
full
commitment
individual,
preventing
participation
other
vital
activities.
vast
array
behaviours
modulated
factors,
compete
need
thus
have
significant
role
regulating
it.
Frontiers in Psychology,
Journal Year:
2020,
Volume and Issue:
11
Published: July 21, 2020
Rapid
eye
movement
(REM)
sleep
is
a
distinct,
homeostatically
controlled
brain
state
characterized
by
an
activated
electroencephalogram
(EEG)
in
combination
with
paralysis
of
skeletal
muscles
and
associated
vivid
dreaming.
Understanding
how
REM
requires
identification
the
neural
circuits
underlying
its
initiation
maintenance,
delineation
homeostatic
processes
regulating
expression
on
multiple
timescales.
Soon
after
discovery
humans
1953,
pons
was
demonstrated
to
be
necessary
sufficient
for
generation
sleep.
But,
especially
within
last
decade,
researchers
have
identified
further
populations
hypothalamus,
midbrain,
medulla
that
regulate
either
promoting
or
suppressing
this
state.
The
these
greatly
facilitated
availability
novel
technologies
dissection
circuits.
Recent
quantitative
models
integrate
findings
about
activity
connectivity
key
neurons
knowledge
mechanisms
explain
dynamics
recurrence
For
future,
combining
experimental
approaches
directly
test
model
predictions
refine
existing
will
advance
our
understanding
governing
regulation
Neuron,
Journal Year:
2020,
Volume and Issue:
107(2), P. 306 - 319.e9
Published: May 13, 2020
Melanin-concentrating
hormone
(MCH)-expressing
neurons
are
key
regulators
of
energy
and
glucose
homeostasis.
Here,
we
demonstrate
that
they
provide
dense
projections
to
the
median
eminence
(ME)
in
close
proximity
tanycytes
fenestrated
vessels.
Chemogenetic
activation
MCH
as
well
optogenetic
stimulation
their
ME
enhance
permeability
by
increasing
vascular
loops
leptin
action
arcuate
nucleus
hypothalamus
(ARC).
Unbiased
phosphoRiboTrap-based
assessment
cell
upon
chemogenetic
neuron
reveals
MCH-neuron-dependent
regulation
endothelial
cells.
express
growth
factor
A
(VEGFA),
blocking
VEGF-R
signaling
attenuates
leptin-sensitizing
effect
activation.
Our
experiments
reveal
directly
regulate
barrier,
linking
activity
state
sleep
regulatory
accessibility
ARC.
Sleep Medicine Reviews,
Journal Year:
2024,
Volume and Issue:
74, P. 101907 - 101907
Published: Jan. 29, 2024
Paradoxical
or
Rapid
eye
movement
(REM)
sleep
(PS)
is
a
state
characterized
by
REMs,
EEG
activation
and
muscle
atonia.
In
this
review,
we
discuss
the
contribution
of
brainstem,
hypothalamic,
amygdalar
cortical
structures
in
PS
genesis.
We
propose
that
atonia
during
due
to
glutamatergic
neurons
localized
pontine
sublaterodorsal
tegmental
nucleus
(SLD)
projecting
glycinergic/GABAergic
pre-motoneurons
ventro-medial
medulla
(vmM).
The
SLD
PS-on
are
inactivated
wakefulness
slow-wave
PS-off
GABAergic
ventrolateral
periaqueductal
gray
(vPAG)
adjacent
deep
mesencephalic
reticular
nucleus.
Melanin
concentrating
hormone
(MCH)
posterior
hypothalamus
would
inhibit
these
initiate
state.
Finally,
few
limbic
claustrum
supramammillary
as
well
basolateral
amygdala
also
contribute
expression.
Accumulating
evidence
indicates
plays
role
memory
consolidation
communicate
PS-generating
need
for
process
memory.
summary,
generation
controlled
distributed
from
cortex
medullary
level
brain.
Function,
Journal Year:
2023,
Volume and Issue:
5(1)
Published: Oct. 27, 2023
Abstract
Modern
neuroscience
is
progressively
elucidating
that
the
classic
view
positing
distinct
brain
regions
responsible
for
survival,
emotion,
and
cognitive
functions
outdated.
The
hypothalamus
demonstrates
interdependence
of
these
roles,
as
it
traditionally
known
fundamental
survival
like
energy
electrolyte
balance,
but
now
recognized
to
also
play
a
crucial
role
in
emotional
processes.
This
review
focuses
on
lateral
hypothalamic
melanin-concentrating
hormone
(MCH)
neurons,
producing
neuropeptide
MCH—a
relatively
understudied
neuronal
population
with
integrative
related
homeostatic
regulation
motivated
behaviors,
widespread
inputs
outputs
throughout
entire
central
nervous
system.
Here,
we
early
findings
recent
literature
outlining
their
sleep,
learning,
memory
CONTINUUM Lifelong Learning in Neurology,
Journal Year:
2020,
Volume and Issue:
26(4), P. 848 - 870
Published: July 30, 2020
This
article
outlines
the
neurocircuitry
underlying
sleep-wake
and
circadian
physiology
with
a
focus
on
fundamental
roles
that
sleep
health
play
in
optimal
neurologic
function.The
foundation
of
wake
promotion
is
laid
primarily
by
"fast-acting"
neurotransmitters:
γ-aminobutyric
acid
(GABA)
for
glutamate
wake.
External
to
these
primary
systems
are
host
modulatory
characterized
two
flip-flop
switches
mutually
inhibitory
neurotransmitter
facilitate
transitions
between
as
well
non-rapid
eye
movement
(non-REM)
REM
sleep.
Additional
mechanisms
place
help
coordinate
states
environmental,
metabolic,
behavioral
demands.
The
complexity
evolutionarily
preserved
systems,
proportion
day
dedicated
natural
sleeping
period,
neurocognitive
dysfunction
neurodegeneration
caused
deficient
highlight
importance
defining,
assessing,
optimizing
our
patients
ourselves.Exciting
discoveries
continue
elucidate
state
coordination,
reinforcing
healthy
practices
paving
way
new
interventions
preserve
promote
health.