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Doctor insights on: Circadian Rhythm

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Dr. Vikas Jain
831 doctors shared insights

Circadian Rhythm (Overview)

The circadian rhythm (biological clock) is the daily cycle of physical and mental activity in the body, based on a 24-hour period. The circadian rhythm helps regulate a person's sleep/wake cycle, and is affected by variations in the environment, such as the amount of daylight, the length of the night, the intensity of light, etc...


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Explain the circadian rhythm.?

Explain the circadian rhythm.?

Circadian rhythm: Circadian rhythm refers to a natural physiologic cycle in which certain processes ebb and flow in a predictable pattern over the day. In humans the basic cycle is tied to the sun with sleeping at night and activity during the day. But there are other cycles. For example, your lung airways naturally get tighter at night (4 am) and that is why asthma patients often get their first symptoms at night. ...Read more

Dr. Vikas Jain
831 doctors shared insights

Circadian Rhythm (Overview)

The circadian rhythm (biological clock) is the daily cycle of physical and mental activity in the body, based on a 24-hour period. The circadian rhythm helps regulate a person's sleep/wake cycle, and is affected by variations in the environment, such as the amount of daylight, the length of the night, the intensity of light, etc...


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What governs our circadian rhythm ?

What governs our circadian rhythm ?

Light / dark: The brain takes in light in decreasing and increasing amounts depending on time of day and time of year, and a center in the brain, the suprachiasmatic nucleus, placed over the optic nerves, takes the information, and sets the "internal clock". This nucleus tells the pineal gland when to secrete melatonin, the hormone that tells us when we're supposed to get sleepy. ...Read more

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Treating an Abnormal Heart Rhythm (Checklist)

Make healthy lifestyle choices
once
Stop smoking and avoid second-hand smoke
once
Avoid excessive amounts of caffeine and alcohol
once
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Can you change your circadian rhythm?

Can you change your circadian rhythm?

Yes: The common ingredients for changing your circadian or "daily" rhythm is about two key things: light and melatonin. There are two types of disorders regarding circadian rhythm, delayed sleep phase and advanced sleep phase. In delayed sleep phase disorder, you go to bed late and wake up late. The corrective treatment is to have light exposure when you wake up and take melatonin before bed. Suerte. ...Read more

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What's your circadian rhythm based on?

24 hour rhythms: Circadian rhythms are biological processes that typically oscillate on 24 hour patterns. These processes repeat independent of external stimuli, but can be altered by external stimuli. ...Read more

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Are circadian rhythm disorders hereditary?

Are circadian rhythm disorders hereditary?

Circadian rhythm: Good question. The short and long answer is yes. Advanced sleep phase and delayed have a well-established genetic link. The other circadian disturbances are not so well established (free running type or irregular sleep/wake schedule. ...Read more

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What will make your circadian rhythm be off?

What will make your circadian rhythm be off?

Long distance travel: Across numerous time zones. Or rarely from a pituitary tumor. These two examples are assuming that your circadian rhythm was working normally in the first place. Many people have an abnormal circadian rhythm, for totally unknown reasons causing them to produce more urine by night than during the day. This causes bedwetting in some subjects. ...Read more

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To sun lamps help with circadian rhythm disorder?

To sun lamps help with circadian rhythm disorder?

They do: I've been practicing medicine in the midwest for 23 years. Between october and march, we may get 2-3 minutes worth of sun in 6 months. Vitamind deficiency is scarily common here, so anything that can safely provide light therapy without increasing skin damage i strongly recommend.Sorry, i might have exaggerated a bit on the midwest sunlight thing. We get 10 minutes... ...Read more

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How does travel change your body's circadian rhythm?

How does travel change your body's circadian rhythm?

Circadian rhythm: Circadian rhythm are physical, mental and behavioral changes that follow a 24 hr cycle. They respond to light and dark in an environment. Travel across time zones will often upset our body's natural clock making it out of sync with the destination time. Rhythms dictating time for eat, sleep, hormone regulation and body temp. No longer correspond to one's new environment. ...Read more

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Why our circadian rhythm changes its pattern sometimes?

See below: By definition, a circadian rhythm can be adjusted/reset by external stimuli. The best example of this is changing of our sleep schedules after overseas trips. ...Read more

Rhythm (Definition)

Rhythm "any regular recurring motion, symmetry may be generally defined as a movement marked by the regulated succession of strong and weak elements, or of opposite or different conditions, this general meaning of regular recurrence or pattern in time may be applied to a wide variety of cyclical natural phenomena having a periodicity or frequency of anything microseconds ...Read more