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Practice Listening: Select Missing Word ID: #35947 Short Sleep Cycle
Instructions ›
You will hear a recording about a topic. At the end of the recording the last word or group of words has been replaced by a beep. Select the correct option to complete the recording.
Each night your brain moves through several sleep cycles. At the start of each cycle you enter light sleep, then move into deep sleep, then dream, and finally move back into light sleep. These cycles take about 90 minutes each, and you will feel most refreshed if you wake up at the end of a cycle because then you are closest to your normal waking state. To increase the chances of this, decide when you want to wake up then count back in 90-minute blocks until you find a time close to when want you to go to sleep. So let’s imagine that you want to wake at 8 am. Chunking back in ninety-minute blocks would look like this: and so you should aim to fall asleep around either eleven o'clock, or half past twelve, at night And so if you want to wake up feeling especially alert and refreshed, simply follow
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Option 4: "the 90 minute rule"

Explanation: This option accurately reflects the main idea of the text, which discusses the importance of timing sleep in 90-minute cycles to feel refreshed. The phrase 'the 90 minute rule' directly connects to the advice given about counting back in 90-minute blocks to determine optimal sleep times.

Option 1: "your feelings"

Explanation: This option does not relate to the main idea of the text, which focuses on sleep cycles and waking up refreshed. The phrase 'your feelings' is too vague and does not connect to the specific context of sleep cycles.

Option 2: "several sleep cycles"

Explanation: While the text mentions 'several sleep cycles,' this option does not complete the sentence meaningfully. It lacks the specificity needed to convey the intended message about waking up refreshed.

Option 3: "your normal waking state"

Explanation: Although 'your normal waking state' is mentioned in the text, it does not serve as a suitable completion for the sentence. It does not encapsulate the actionable advice provided in the context.

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