B2 First FCE Reading part 2 Exercise 3

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Fill the gaps with ONE word that matches the context. This is B2 First FCE Reading part 2. For tips and explanations how to solve task, visitB2 FCE Reading Part 2

Sleep

We spend about a third [0] of our lives sleeping, yet scientists still do not fully understand (1) we do it. Sleep is essential for our physical and mental health. (2) a good night’s sleep, we struggle to concentrate and our mood is negatively affected. During sleep, the body repairs (3), and the brain processes the information (4) has gathered during the day. Many people suffer (5) insomnia, which means they find (6) difficult to fall asleep. Experts recommend avoiding screens (7) least an hour before going to bed in (8) to improve sleep quality.