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Which statement is correct regarding sleep deprivation?

1. It means sleeping more than 9 hours daily.
2. It is defined as inability to complete sufficient sleep-time required by the person.
3. It improves cognitive performance.
4. It is beneficial for emotional health.

Correct answer: It is defined as inability to complete sufficient sleep-time required by the person.

Solution

Sleep deprivation refers to not getting enough sleep for the body’s needs. It is not about sleeping too much, and it generally harms cognitive and emotional functioning rather than improving them.

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