- Brain waves
- beta waves
- awake
- high frequency 12 Hz to 38 H
- low amplitude
- desynchronous
- alpha waves
- meditating
- still awake & aware
- 8-13 HZ
- theta waves
- higher amplitude than alpha
- slower frequency 6–7 Hz.
- light sleep
- 5-10 min
- delta waves
- lowest frequency waves 4-7 Hz
- highest amplitude
- deep sleep
- REM
- Combination of
- alpha waves
- delta waves
- desynchronous waves (like beta)
- Combination of
- beta waves