C1 Advanced (CAE) >> Reading - Multiple Choice >> The History of Sleep

Cambridge C1 Advanced (CAE)
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C1 Advanced

Reading Multiple Choice. Worksheet 2

Answer Key:

1. c) That continuous eight-hour sleep is our natural rhythm

2. a) As a natural and beneficial part of the sleep cycle

3. d) Industrial schedules and artificial lighting

4. a) It can enhance dream recall and memory functions

5. b) By considering more flexible working schedules

6. c) They may be unsuitable for our natural biological needs

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