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Delta waves
Delta Waves (APEX)
MRI
MRI
magnetic resonance imaging, MRI
Very long and slow A+
The frequency of your brain waves during REM sleep are beta (which incidentally occurs during the waking state as well). These are low voltage, high frequency waves.
Very long and slow A+
Very long and slow A+
Delta waves
Delta waves
Delta waves
The stage during which it is most difficult to wake someone is the "deep sleep" stage. During this stage, brain waves, breathing, and heart rate are the slowest.
Your brain waves are measured.
Surface waves (e.g. Rayleigh waves, Love waves) that produce vertical motion of the ground surface produce the most damage during an earthquake.
Truly "deep" sleep does not occur during REM sleep. REM sleep is when you are dreaming. It is deeper than light sleep, but not as far down in unconsciousness as "deep" sleep.
Delta Waves (APEX)