G12-Ch.7-Lesson 1 HW

Most dreams occur in this stage.

• Stage 1

• Stage 2

• Stage 3

• Stage 4

• REM

Brain waves show sleep spindles. Our pulse and breathing slow down.

• Stage 1

• Stage 2

• Stage 3

• Stage 4

• REM

Lightest level of sleep. Begin to drift. This is when muscles contract and spasm.

• Stage 1

• Stage 2

• Stage 3

• Stage 4

• REM

Deepest level of sleep. Difficult to wake during this stage.

• Stage 1

• Stage 2

• Stage 3

• Stage 4

• REM

Transitional period between light and deep sleep.

• Stage 1

• Stage 2

• Stage 3

• Stage 4

• REM

Also called "active sleep"

• Stage 1

• Stage 2

• Stage 3

• Stage 4

• REM

The state of awareness is called:

• altered state

• REM

• consciousness

What is the machine to use in order to study brain activity during sleep?

• EEG

• EKG

• CPR

Sleep disorder that causes sleep disruptions during stage IV of sleep. They involve screaming, sweating or confusion.

• insomnia

• sleep walking

• night terrors

• narcolepsy

Sleep disorder where one is carrying out behaviors while sleeping.

• insomnia

• sleep walking

• night terrors

• narcolepsy