Page 64 - Full Solutions 2nd Advanced Student Book_Neat

Use the examples in the dictionary entry to hetp you identify
which collocations have meanings 1-5.
1 worry about something with the result that you aren't
abte to sleep
get a tittte sleep in a short available time, usually during
the day
3 while you are sleeping (two phrases)
4 make somebody go to steep
5 pretend to be asleep
6 Complete the sentences with collocations of s/eep from the
dictionary. Sometimes more than one answer is possibte.
1 The moment her head touched the pitlow she _ into
a deep sleep.
2 Teenagers have different steep from adutts.
3 After sptitting up with her boyfriend, she went home and
hersetf to steep.
term consequences in terms of physical and mental health 4 l'm going to get an early night. I need to on
for both the child and their family can only be guessed at. my sleep.
What we do know is that impaired sleep quality or quantity 5 He drank a whote bottle of wine and fetl into a
may compromise children's physical health, academic steep.
achievements and mental health.' 5 I woke at 3 a.m. and coutdn't to sleep for ages.
-
Steep finalty me at about five o'ctocl<.
Research has shown that teenagers have different sleep
patterns from younger children and adults. A timing
Match these words with the more formal equivalents in red in
mechanism in the brain regulates our bodily functions over a
the text.
24-hour period. At night, the heart rate falls, blood pressure
1 need (v) 5 happen
is lowered and urine ceases to be produced. When the sun
2 a big impact 6 a very large number
rises, the body begins to wake up. One important change
3 control (v) 7 stop
that occur$ at night time is increased levels of ihe 'darkness
4 carry out
hormone' melatonin, which helps us to fall asleep. Most
adults start to produce melatonin at about 10 p.m. When [E VOCIBULARY BUILDER 6.3: REGISTER: WORKBOOK
PAGE 106 <
teenagers were studied in a sleep laboratory, researchers
I i,--:].,:..-.3 Work in pairs. Answer the questions. Give reasons
discovered that they only began to produce the hormone at
1 a.m. lt is possible that this delay in melaionin production
for your answers.
is caused by the behaviour of teenagers. Playing with
1 Do you think you get enough sleep?
electronic gadgets late at night stimulates the brain and
2 Do you sometimes feel tired and unable to concentrate at
exposes the teenagers to bright lights which could cause
schoo[? Why is that?
the later release of melatonin. A more Iikely explanation,
3 Woutd you prefer it if schooI started and finished later?
however, is that the hormonal upheaval of puberty is pushing
4 What would be the drawbacks of starting school later?
the melatonin release back, in which case teenagers are
being kept awake by their bodies - they simply can't help
their peculiar sleeping behaviour. Although it isn't impossible
for adolescents to go to sleep before 11 p.m., or even
to be alert in the morning, their bodies make it difficult
for them, and in some cases nearly impossible. This is
/s borne out by studies conducted in the USA, where some
schools have delayed the start of their classes to give their
teenagers some extra time in bed. Many teachers reported
that students were more alert and less moody. One school
even noticed a significant improvement in the educational
80 performance of its students.

lssues surrounding sleep - who needs how much and when
- are usually given short shrift in efforts to improve student
achievement. But modern brain researchers say it is time
that more schools woke up to the biological facts and started
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lessons at a time better suited to their teenage students.
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Unit 6 Dreams 63