Question

Name Period Date HANDOUT 8-2 Sleep Stages, Waves, and REM Directions: Describe each stage of sleep and identify the type of brain wwes involved. Sleep Stages Brain Waves Stage! Stage 2 Stage 3 Stage 4 REM Sleep HANDOUT 8-2 Module 8 Sleep, Dreams, and Body Rhythms 263

Answer 1

Slegs stages * Stage 1 Stage 1 sleep is a transitional phase that otters blu wakebelaess $ sleep, the period during which we drift off to sleep. Doring this time, there is a slowdown in both the rates of respiraban heartbeat. * Brain Wores In terms of brain wave achuity stage I sleep is 0550cialed with both alpha Ø thela wares * stage 2 As we move on to stage a sleep, the body goes into a state of deep relaxation. * Brain Wores Theta wores still domnate the activity of the brain, but they ore interropted by bört bursts of achuity known as sleep spindles * Stage 3 Stage 3 sleep is often referred as deep sleep because these stages or chenetized by low frequency high amplitude * Brain wares In terms of Bron Wore activity stage 3 sleep is associated with delta wares * stage 4 I stage 4 sleep is often referred as slaw-anvi sleep because dering I this time, an indinjuals heart rate & Topirahan slow dramohrally & is dit belt to awaken someone * Broin Wores in trams of Bron Wore achuity stage s sleep is associated with delta Waves

* REM Sleep REM Sleep is marked by rapid movements of eyes. This is the period of sleep in which dreaming occurs. It is also associated with poralysis of muscle systems in the body with the expection of those that make ciocolation & Respiration possible * Brain Wores The broin wures assecreth with this stage of sleep are very similar to those obserred when a person is awake.

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