Understanding Daily Biorhythm

It's widely recognized by modern science that every individual has certain natural biorhythms that change through the day and night. In the Workshop, Jeffrey Moses shows how understanding these biorhythms, and adjusting your work schedule so that you're more in tune with them, can increase productivity and help minimize stress in the workplace.

Every individual has his or her own inner biorhythms, but in general the following peaks and valleys are experienced by everyone throughout the day:

1. Early morning -- 8:00 a.m. to 10:30 a.m. Your energy is high, giving stamina and alertness. This is the ideal time to schedule important meetings, to plan and begin new projects, to return urgent phone calls, or to meet with important clients. Because this is such a peak time of day, it should not be wasted on mundane chores.

2. Late morning -- 10:30 to lunch. Your "go-getting" feeling may have "gotten up and gone." During this time period, a person's energy begins to lag, resulting in slightly less stamina and mental alertness. This is the time when many people take a coffee break. It's an ideal time for planning long-term strategies, for getting material ready for upcoming meetings, and for returning phone calls that are not urgent.

3. Early afternoon -- after lunch to 3:00 p.m. You've been refueled and are cruising at full altitude. Energy is again high. After eating, many people feel at their peak for the day. Momentum has been gained during the course of the morning, and both stamina and mental alertness may be at a high. This is an excellent time for tackling crucial work, for unraveling difficult decisions or meeting with clients, and for finalizing important plans.

4. Mid-afternoon -- 3:00 p.m. to 4:00 p.m. The day's momentum is carrying you as you experience a normal biological drop in blood sugar levels. Around 4:00, most people start to feel a letdown in stamina and mental alertness. It's again time for the traditional coffee break, and even for a snack. This is the ideal time for putting attention on ongoing projects, for research, and for any other work that does not involve new planning.

5. Late afternoon -- after 4:00 p.m. Just when deadlines may be approaching, you feel like a supercharged Porsche that has turned into a Yugo. This can cause stress and anxiety when you have a lot to do in a short time, but a brief break and a quick walk around the block can clear the cobwebs.

6. Dinner time -- when working through the normal dinner hour, many people have to force themselves to push on. The hectic pace of today's business environment often demands that a person work well past dinner (sometimes without stopping to eat). To remain at peak productivity, you should take5-10 minutes to rest when feeling overly fatigued or mentally unclear, closing the eyes and relaxing. Even this short amount of relaxation can make a big difference in energy and mental alertness for the next several hours.

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Free & Easy Biorhythm Calculator Software

Features
• Biorhythm calculator: Physical, Emotional and Intellectual charts
• Additional Intuitive chart
• Secondary biorhythm charts: Wisdom, Mastery and Passion
• Extra rhythms: Perception, Psychic and Success new!
• I ching charts: Aesthetic, Awareness, Spiritual
• Celebrities Database. Check your compatibility with a Star!
• Critical days for basic biorhythm chart
• Integral bar chart for basic biorhythms
• Complete day info
• Biorhythm chart: save and print availabilities
• True easy-to-use interface

Download it here:
http://www.whitestranger.com/download/easybio_setup.exe

Application & Calculation

In the workplace, railroads and airlines have experimented the most with biorhythms. A pilot describes the Japanese and American attitudes towards biorhythms. He acknowledges, researching his pilot logbook, that his greatest errors of judgment occurred during critical days, but concludes that an awareness of one's critical days and paying extra attention is sufficient to ensure safety. A former United Airlines pilot and user of the Biorhythms for Windows program confirms that United Airlines used biorhythms until the mid-1990s, while the Nippon Express air freight still used biorhythms.

Charting biorhythms for personal use was popular in the United States during the 1970s; many places (especially video arcades and amusement areas) had a biorhythm machine that provided charts upon entry of date of birth.

Calculation

The equations for the curves are

• physical: sin(2πt / 23),
• emotional: sin(2πt / 28),
• intellectual: sin(2πt / 33),
• intuitive: sin(2πt / 38),

where t indicates the number of days since birth.

Basic Rhythm Details

Physical Cycle

• 23 days, Circavigintan
• Coordination
• Strenght
• Well-being

Emotional Cycle

• 28 days, Circatrigintan
• Creativity
• Sensitivity
• Mood
• Perception
• Awareness

Intelectual Cycle

• 33 days, Circatrigintan
• Alertness
• Analytical Functioning
• Logical Analysis
• Memory or Recall
• Communication

Related Terminology & Plausibility

Biorhythmics is either a protoscientific branch or a pseudoscience, depending on opinion, that studies biorhythms or deal with biorhythms. Biorhythmic study focuses on physiological, emotional, and intellectual processes and its forecasting. Biorhythm phenomena are observable human conditions which can be detailed and explained by biorhythmics. These conditions are bound by the variables that exist in the body. Certain facets of biorhythmics are likened by proponents to concepts found in weather forecasting (commonly known as meteorology).

Chronobiology is a branch of biology that studies rhythms in living beings. Unlike biorhythm, its status as a science is unquestioned.

Proponents of biorhythmics call it an established interdisciplinary area of scientific endeavor which is still speculative - a protoscience. Critics state that biorhythms are based only upon numerological associations. The plausibility of biorhythmics is contested by mathematicians, biologists and other scientists. The most basic assertion is that, even if physiological rhythms do exist, why would they begin precisely on the day of our birth?

Biorhythmics has echoes of chronobiology, the study of biological rhythms. Through medical research, doctors have found that there are periodic biological cycles in a person's lifespan, such as the circadian rhythm (from Latin circa diem; literally, "about a day"), but few doctors believe they correspond to those described as "biorhythms". To proponents, these discoveries (among others) demonstrate that people are affected by physiological, emotional and intellectual rhythms, though the exact relationships to the biorhythm cycles are not precisely understood. Studies regarding the effects of biorhythms on the human condition are still conducted.

The Biorhythm theory is often treated as falsely claiming scientific validity. Biorhythm critics' responses range from opposing it as harmful to ignoring it or treating it as entertainment. Some of the criticisms of the various theories in the category of biorhythmics are:

• The choices of periodical function, frequency and phase are arbitrary.
• The assumption is made that the cycles are the same for everyone.
• The frequency is assumed to be constant.
• Evidence tends to be anecdotal.
• Arguments are made based in ignorance of number theory.
• Tests of the hypothesis have basic flaws.
• The quantitative generalizations of complex human behavior are inadequate.
• Hypotheses are not formulated precisely.
• Experimental data fail peer review.
• Experiments cannot be replicated.
• Some unscrupulous practitioners resemble professional fortune-telling fraud artists.

Some biorhythm critics say that biorhythms can be thrown off by such occurrences in the calendar as the beginning of the new year, holidays, or something as simple as the start of the week.

There have been some three dozen studies supporting biorhythm theory but all of them have suffered from methodological and statistical errors. An examination of some 134 biorhythm studies found that the theory is not valid.

History

The classical theory originated at the turn of the 19th century, between 1897 and 1902, from observational research.

Hermann Swoboda, professor of psychology at the University of Vienna, who was researching periodic variations in fevers, looked into the possibility of a rhythmic change in mood and health. He collected data on reaction to pain, outbreak of fevers, illnesses, asthma, heart attacks, and recurrent dreams. He concluded that there was a 23-day physical cycle and a 28-day emotional cycle.

Wilhelm Fliess, a nose and throat specialist and reportedly a numerologist, was independently researching the occurrences of fevers, recurrent illnesses and deaths in his patients. He too came to the conclusion that there was a 23 and a 28-day rhythm. Fliess' theories were of great interest and importance to Sigmund Freud during his early work in developing his psychoanalytic concepts.

Alfred Teltscher, professor of engineering at the University of Innsbruck, observed that his students' good days and bad days followed a rhythmic pattern of 33 days. Teltscher found that the brain's ability to absorb, mental ability, and alertness ran in 33 day cycles. In the 1920s, Dr. Rexford Hersey (psychologist; Pennsylvania, America) also reportedly made contributions to the classical theory.

These three biorhythms compose the classical theory. The classical theory has been studied, especially in Germany, Japan, and the United States, with conflicting results. Various modern derivatives exist of the classical theory.

Basic Theory

The theory of biorhythms claims that one's life is affected by rhythmic biological cycles, and seeks to make predictions regarding these cycles and the personal ease of carrying out tasks related to the cycles. These inherent rhythms are said to control or initiate various biological processes and are classically composed of three cyclic rhythms that are said to govern human behavior and demonstrate innate periodicity in natural physiological change: the physical, the emotional, and the intellectual (or mental) cycles. Others claim there are additional rhythms, some of which may be combinations of the three primary cycles. Some proponents think that biorhythms may be potentially related to bioelectricity and its interactions in the body.

Basic rhythms follow certain facets of physiological cycles, though they may include others, and the details may vary depending on the source. The three classical cycles of biorhythms are endogenous infradian rhythms. The theory's basis lies in physiological and emotional cycles. They are often represented graphically as either symmetric or asymmetric waveforms, though most theories rely on symmetric forms. The most commonly used form is the sinusoidal waveform, which is thought to be a plausible representation of a bioelectric activity cycle. Due to this sinusoidal nature, the cyclical flow of bioelectric activity undergoes periodic reverses in direction. Each cycle oscillates between a positive phase [0%..100%] and a negative phase [-100%..0%], during which bioelectric activity strengthens and weakens. The waveforms start, in most theories, at the neutral baseline (0%) at the time of birth of each individual. Each day that the waveform again crosses this baseline is dubbed a critical day, which means that tasks in the domain of the cycle are far more erratic than on other non-critical days. The purpose of mapping the biorhythmic cycles is to enable the calculation of critical days for performing or avoiding various activities.

The classical definition (derivatives of the original theory exist) states that one's birth is an unfavorable circumstantial event, as is the day about 58 years later when the three cycles are again synchronised at their minimum values. According to the classical definition, the theory is assumed to apply only to humans. In the classical theory, the value of each cycle can be calculated at any given time in the life of an individual, and there are web sites that do exactly that.