1) What we can do to sleep better? a) Play computer games  b) Remove electronic devices c) Drink coffee 2) How many hours of sleep are enough for good health for 13-18 years? a) 10-13 b) 7 or more  c) 8-10 d) 9-12 3) Is watching a video before going to bed bad for your health? a) Yes b) No c) Doesn't matter

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