Mnemonic for Sleep cycle stages with types of waves
(at night) BATS Drink Blood
Awake(eye open) - Beta (B)
Awake(eye closed) -Alpha (A)
Light sleep -Theta (T)
Deeper sleep -Slppe spindles (S)
Deepest sleep(nREM) -Delta (D)
Dreaming, Loss of motor tone, erection -Beta (B)
