drop in body temperature
The awereness of internal and exernal stimuli
1) your awareness of external events
2) your awareness of internal sensations
3) your awareness of your self as the unique being having these experiences
4) your awareness of your thoughts and these experiences
Electroencephalograph (EEG) and EMG
Beta - frequency 13-24 - Normal waking thought, alert problem solving
Alpha - frequency 8-12 - Deep relaxation, blank mind, meditation
Theta - frequency 4-7 - Light sleep
Delta - frequency less than 4 - Deep sleep
1 > lose consciousness. alpha + slow theta waves. can be easily awakened.
2 > 1 sec. bursts of EEG activity (sleep spindles) + large slow waves (k-complexes). deeper muscle relaxation.
3> delta waves appear (slow and large). deeper sleep, futher loss of consciousness. more difficult to awaken.
4 > further decline of respiration, body temp, heart rate, muscle tension. 50% of waves are delta. very difficult to awaken.
5 > REM - eyes dart back and fouth. Associated with dreaming. Beta waves. Sleep paralysis.
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