TED Talk - Good Night's Sleep Comprehension

Which of the following is correct with regards to sleep?

• Sleep is important only for babies' growth and development

• Sleep is the keeper of our biological systems, for better maintenance we should sleep most of the day

• Sleep is very important, but not for teenagers or adults

• Sleep reinforces the balance of growth, body metabolism, immunity, learning and memory, and mood in all humans

If you are getting ready for an important test at school, you should:

• Drink lots of coffee while studying, it improves memory

• Study all through the night to not miss a bit of information

• Get a good night's sleep during the exam period and before the test itself

• Get up early in the morning to re-learn the notes you prepared

Everybody can learn and remember, but:

• We do not need to repeatedly review information to remember it if we get enough sleep

• We need to sleep well every night and review material several times in order to consolidate memory

• With fewer hours of sleep, our memories improve

• We tend to forget about one-third of what we learn within 20 hours

The part in the brain that plays a role both in sleep and memory is:

• The cortex

• The hippocampus

• The brain stem

• The hypothalamus

Which is correct?

• Heightened positive and negative feelings while studying can help us remember better

• Without the hippocampus, we would learn more efficiently

• Sleep has no effect on memory

• Consolidation is the stage of sleep that helps us remember

True or False: During sleep, our brain's structure is being altered/changed.

• True

• False

True or False: When we sleep, our brains are cleansed of bad memories.

• True

• False