Levels of Consciousness Beta, Alpha , Theta, Delta Waves For a good sleeper their brainwave activity naturally changes throughout the day.  From when they wake up their brain wave activity increases and in the evening /night their brainwave activity drops until they are in deep sleep and reach what is called the delta level.   The levels of consciousness (brainwave levels) that people go through during a day is impeded it may have an impact on sleep levels at night. In other words your ability to reach the level of brainwave activity for the particular tasks that you do […]