All about sleep

1. How many stages of sleep are there?

• None

• 5

• 3

• 4

2. What is insomnia?

• It's a term to describe the kind of dream (e.g. I had a nightmare or I had an insomnia)

• It's a sleep disorder in which a person cannot fall asleep or sleep as long as they want to.

• It's a term to describe a good sleep.

• Non of them

3. Tiny naps are also known as...

4. Toss ad turn means...

• To be very alert when you want to be sleeping

• To be unable to sleep or to find a comfortable sleeping position

• To throw something on your bed

5. To sleep like a log means ...

• To sleep really well

• To sleep deeply

• To sleep heavily

• All of them

NREM means non-rapid eye movement sleep.

• True

• False

Answer explanation

Non-rapid eye movement sleep (NREM): One of two types of sleep, NREM includes the first three sleep stages (N1, N2, and N3). During NREM sleep, the brain and body’s activity levels drop noticeably compared to wakefulness. The proportion of time spent during NREM sleep is usually highest during the first half of a sleep period.

The stage of sleep with the highest brain activity which often associated with intense dreaming is known as ...

• A. REM sleep

• B. Rapid eye movement sleep

• C. Non of them

• D. Only A ad B

Answer explanation

Rapid eye movement (REM) sleep: The stage of sleep with the highest brain activity and often associated with intense dreaming. During REM sleep, most of the muscles of the body are paralyzed except for those that control breathing, heart rate, and eye movement. The largest segments of REM sleep normally occur during the second half of a sleep period.

8. A short nap taken in the early afternoon, often after the midday meal is also known as a ...