Sleep 2023

Front

What fraction of our life is spent sleeping?

Back

1/3

Front

What are the two things that sleep helps to prevent?

Back

strokes and heart attacks

Front

Alpha waves are associated with

Back

relaxed but awake state.

Front

REM sleep is called paradoxical sleep because

Back

our nervous system is highly active, while our voluntary muscles hardly move.

Front

The human sleep cycle repeats itself about every

Back

90 minutes.

Front

Which of the following is most accurate about a typical night's sleep? Options: The sleep cycle repeats itself every 60 minutes., During REM sleep the muscles are tense and brain waves reveal deep relaxation, As sleep progresses, NREM-3 sleep diminishes while REM sleep increases., Most of a night's sleep is spent in REM.

Back

As sleep progresses, NREM-3 sleep diminishes while REM sleep increases.

Front

The large, slow brain waves associated with deep sleep are called

Back

delta waves.

Front

Do babies spend most of their time dreaming?

Back

true

Front

The older we get the more sleep we need. True or False?

Back

False

Front

A belief in something that can't be seen or touched.

Back

construct