Class Notes (838,386)
Canada (510,872)
Psychology (2,093)
PSYC 101 (392)

Psychology 101: Lecture 30

2 Pages
Unlock Document

PSYC 101
Michael De Souza

Lecture #30 - November 21, 2012 Wednesday, November 21, 2012 11:01 AM SLIDE #3 • Majority of people have trouble sleeping, don't sleep enough • Sleep problems increase stress level and tiredness SLIDE #4 • Sleep is a basic biological function • EEG measures brain waves, while sleeping or during activities SLIDE #5 • Beta waves are associated with engaging brain activity (awake) • Alpha waves are associated with a sleepy state (feeling tired) 1. Stage 1: theta wave are associated with starting to sleep, feeling exhausted 2. Stage 2: sleep spindles and k complexes help keep you asleep a. Set of mechanisms that suppress consciousness 3. Stage 3: delta waves are associated with deep sleep a. Frequency more than 50% movement or change b. Disoriented and cranky 4. Stage 4: sawtooth waves show REM sleep, fast, random sleep SLIDE #6 • Rapid eye movement (REM): eyes are moving while sleeping ○ Sleep stage at which dreams occur ○ High frequency brain waves, darting eye movements ○ Increased heart rate, breathing rate • Most often a person goes through all stages in 1.5 hours • Most of the deep sleep is early, most of REM sleep later on SLIDE #8 • Body starts to weaken with sl
More Less

Related notes for PSYC 101

Log In


Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.