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> Winding up the body clock Part 2
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Winding up the body clock Part 2 (Teacher: Michael)
Shift workers who lost about three hours' sleep a night produced half as many of the killer cells which fend off viruses as
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
with normal sleep patterns, according to a recent American study.
So how
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
we
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
ourselves to
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
enough sleep and ensure that we wake
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
ready to
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
another busy day?
Doctors
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
regular daytime, preferably outdoor, exercise is crucial, particularly for those with sedentary, office-bound jobs who also drive to
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
. Some
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
exercise
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
built into their lifestyles - although not within the
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
two hours before bedtime as it
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
over-stimulating and
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
them awake.
Coffee and alcohol
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
not
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
drunk in the evenings. It
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
you drop off, but they also cause restless sleep and
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
you feeling jaded in the morning. It
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
obvious, but
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
sure your bed is comfortable and welcoming. If your duvet is too heavy you
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
not sleep.
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
the bedroom temperature comfortably cool too and
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
a window
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
. Watch that bedtime bath too - if
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
too hot, it
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
you
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
too sweaty to sleep. If you
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
you wake
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
too soon,
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
yourself 15 minutes to doze off again. If you
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
awake, you
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
as
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
and start your day early.
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
to bed at the normal time that night and you
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
sleep
Select
seem
well
make
give
work
say
can
light
still
feel
be
help
better
face
last
are
may
Go
find
could
get
open
must
will
should
Keep
people
leave
up
it's
keep
.
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