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Practice Listening: Multiple Choice, Single Answer
ID: #4653
Short
Sleep
Transcript:
There is increasing evidence that a sleep after lunch, or siesta as the Spanish call it, can improve performance at work. Not only does it produce short-term benefits such as increased alertness and concentration in the late afternoon, but it has long-term effects like reducing the risk of heart problems and strokes. Research also highlights the dangers of sleeping for too long. Ideally, a midday nap should not exceed thirty minutes as anything longer can reduce your ability to think and function immediately after waking. It can also interfere with nighttime sleeping. The reason for this is that sleep cycles enter a deep phase after about thirty minutes.
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