This is a theory developed by Wilhelm Fliess in the late 19th century, and popularized in the United States in late 1970s.

These cycles begin at birth and oscillate in a steady (sine wave) fashion throughout life, and by modeling them mathematically, it is suggested that a person's level of ability in each of these domains can be predicted from day to day.

Basic Parameters Description
  1. Physical

    Coordination, strength, well-being

  2. Emotional

    Creativity, sensitivity, mood, perception, awareness

  3. Intellectual

    Alertness, analytical functioning, logical analysis, memory or recall, communication

Other Parameters
  1. Spiritual

  2. Awareness

  3. Aesthetic

  4. Intuition

  1. Free
    • Physical
  2. Basic
    • Physical
  3. Pro
    • Physical
    • Emotional
    • Intellectual