SpeakUp
Bugun
Speaking
Shadowing
Lug'at
Slang
Grammatika
What staying up all night does to your brain
TED-Ed · health & studying
O'ynash
To'xtatish
Segmentni takrorlash
0.75x
1x
Shadow mode
Blind
Karaoke
You're
just
one
Roman
Empire
history
final
away
from
a
relaxing
spring
break.
Yozib olish va solishtirish
But
you
still
have
so
much
to
study!
So
you
decide
to
follow
in
the
footsteps
of
many
students
before
you
and
pull
an
all-nighter.
When
you
stay
up
all
night,
you're
fighting
against
your
body's
natural
circadian
rhythms.
These
are
the
cyclical
changes
that
virtually
all
living
things
experience
over
the
course
of
a
24-hour
period—
such
as
sleeping
and
waking—
and
they're
heavily
influenced
by
light.
But
for
the
moment,
you're
alert
and
powering
through
the
rule
of
Julius
Caesar.
As
the
sun
sets,
your
eyes
send
signals
about
the
dwindling
light
to
a
part
of
your
brain
called
suprachiasmatic
nucleus.
This
is
basically
your
circadian
rhythm's
clock.
It
alerts
your
pineal
gland
to
start
producing
melatonin.
That's
the
hormone
that
helps
prepare
your
body
for
sleep,
and
levels
start
to
rise
about
two
hours
before
your
normal
bedtime.
At
the
same
time,
neurons
in
the
hypothalamus
and
brain
stem
release
a
compound
called
GABA.
This
slows
down
activity
in
your
brain
and
can
have
a
calming
effect.
You're
approaching
your
normal
bedtime.
Since
the
brain
needs
to
cool
down
before
sleep,
your
core
body
temperature
starts
to
drop.
Bugun
Speaking
Shadowing
Lug'at
Slang
Grammatika