Nhịp sinh học là gì?

Nhịp sinh học (tiếng Anh: biorhythm) là một chu trình giả thiết về tình trạng khỏe mạnh hay năng lực sinh lý, cảm xúc, hoặc trí thông minh. Một nghiên cứu ở Nhật Bản trên công ty giao thông Ohmi Railway cũng đã lập các biểu đồ sinh học cho các tài xế lái xe của công ty để họ có sự cảnh giác và phòng tránh. Kết quả tai nạn của các tài xế đã giảm 50% từ năm 1969 đến 1970 tại Tokyo.

Cách tính Nhịp sinh học

Do có chu trình đều và lặp lại, với mốc thời gian là ngày sinh, hoàn toàn dễ hiểu với các hàm số sau:

Với t là thời gian tính từ khi người đó được sinh ra.

Biorhythm chart tells your physical, emotional, intellectual, intuitive, aesthetic, awareness and spiritual values
You might have more talent than me, you might be smarter than me, you might be sexier than me, you might be all of those things you got it on me in nine categories. But if we get on the treadmill together, there's two things: You're getting off first, or I'm going to die. It's really that simple, right?

Will Smith

How to use?

This is a Biorhythm Calculator. Type in your date of birth into the Date of birth field with the format YYYY-MM-DD (year-month-day), Full name is optional. Then click ► to know your physical, emotional, intellectual values. If you only care about Sleep Rhythm, you don't need to type in your Full name or Date of birth.

Sleep rhythm

If you plan to get up at

Select hourSelect minute

You should try to fall asleep at one of the following times:

  • N/A

Or if you want to sleep right now

Sleep now!

You should try to get up at one of the following times:

  • N/A

Keyboard shortcuts




Keyboard shortcuts:
  • S / G / K -> Today
  • A / F / J -> Back
  • D / H / L -> Forward
  • W / T / I -> Birthday
  • E / Y / O -> Secondary rhythm
  • R / U / P -> Proverb

Do you know?

A biorhythm (from Greek βίος - bios, "life" and ῥυθμός - rhuthmos, "any regular recurring motion, rhythm") is an attempt to predict various aspects of a person's life through simple mathematical cycles. Most scientists believe that the idea has no more predictive power than chance and consider the concept an example of pseudoscience.

The three primary biorhythm cycles are:

Physical: This cycle is 23 days and tracks your strength, health, and raw physical vitality.

Emotional: This cycle is 28 days and tracks the stability and positive energy of your psyche and outlook on life, as well as your capacity to empathize with and build rapport with other people.

Intellectual: This cycle is 33 days and tracks your verbal, mathematical, symbolic, and creative abilities, as well as your capacity to apply reason and analysis to the world around you.

The four secondary biorhythm cycles are:

Intuitive: This cycle is 38 days and influences unconscious perception, hunches, instincts and 'sixth sense'.

Aesthetic: This cycle is 43 days and describes interest in the beautiful and the harmonious.

Awareness: This cycle is 48 days and expresses ability to perceive own personality and individuality.

Spiritual: This cycle is 53 days and describes inner stability and relaxed attitude.

For reference only



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