This is your brain's alpha wave, the default mode of operation. You're probably reading this page in alpha mode.
Beta waves are your brain's 'work mode'. You're probably thinking about work when you're in beta mode.
This is your brain's deep sleep mode. You're probably dreaming of cats when you're in theta mode.
This is your brain's deep sleep mode, but with more sleep. You're probably snoring when you're in delta mode.
Stay tuned for more brain waveforms, and maybe even a brain computer virus!
Or maybe not.
Or maybe you'll just fall asleep.