Alertness • Associated • Attention • Between • Blood • Body • Computed • Constant • Content • Cortex • Creativity • Decreases • Deep • Differ • Dream • During • Eeg • Emotional • Enhanced • Facilitating • From • Generated • High • Hormonal • Hyperactivity • Hz • Inhibit • Lucid • Magnetic • Making • Meditation • Neurotransmitters • Physical • Prefrontal • Processes • Proportion • Range • Recall • Reduce • Relaxation • Remains • Retrieval • Slower • Some • States • Stress • Than • Wakefulness • Which • While