Sleep chapter 9

Psychology

How many hours of sleep

9

Electroencephalograph (eeg) brainwaves

• Beta waves: alert, eyes open

• Alpha waves: relaxed eyes closed

• Theta waves: light sleep, meditation

• Delta waves: deep sleep

Stage one of going to sleep

Theta waves, imagery, mynoclonic spasms or jerks

Stage two of going to sleep

EEG pattern called “sleep spindles”, after stage three you go back here and experience rapid eye movement (REM sleep/dream sleep)

Stage three of going to sleep

Delta waves,

How long is an entire cycle of sleep

90 minutes and 15-20 minutes is spent dreaming

REM sleep

• body is aroused

  • Increased heart rate, blood pressure, breathing, sweat gland activity, eeg activity (beta waves), sexual arousal and muscle paralysis

• Muscle paralysis

  • If you didn’t have muscle paralysis you’d act out your dreams

  • sleep walking and talking occurs in stage three

what is rem rebound

making up for lost rem sleep

• sleeping drug addiction may cause intense dreams and rob rem sleep

Functions of rem sleep

• helps integrate stress(ors) from prior day

• emotional restoration

  • bad day makes you more likely to dream that night

• memory consolidation

Dream interpretation

• representative of wishes, desires and conflicts

  • manifest content: storyline

  • latent content: hidden or symbolic meaning

Non rem (NREM)

• Body is relaxed and decreases in heart rate, blood pressure and sweat glands etc.

• Is physically restorative

Insomnia

• Difficulty falling asleep - sleep onset insomnia

• Frequent reawakening (erica)

• Early morning awakening

Treatment for insomnia

• Getting a good diagnosis is the first step

• Diet

  • caffeine is bad

  • Middle of the night protein snack if you can’t sleep

  • Milk and turkey has amino acids, tryptophan, soporific which makes you sleepy

  • Exercise - should be aerobic

• Optimize sleeping gear (sleep mask, good pillow etc.)

Sleep Apnea

• waking up because breathing stops

• Sudden infant death syndrome (SIDS)

• Babies medulla isn’t fully developed so they can’t tell they stop breathing and can’t restart

night terrors

• Occurs in stage three of sleeping

• More common in children

narcolepsy

• aka sleep attacks

• fall asleep without warning

• Cataplexy - muscle paralysis

attention deficit hyperactivity disorder(ADHD)

• can’t pay attention

• hyperactivity

• impulsiveness