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How the Body Works : The Biological Clock

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Uploaded by on Aug 2, 2007

How the Body Works The Biological Clock

The internal biological clock may determine the timing of an individual's behavior patterns. The clock functions independently of the environment, but is synchronized by external stimuli to changes in the external world. The biological clock affecting times of sleeping and wakefulness is synchronized to daytime wakefulness and nighttime sleep. Clocks representing the same day over six weeks show little variation in activity. In constant darkness the clock becomes "free running." It functions on a length of day greater than the normal twenty-four hours and results in the sleep period becoming later and later each day.

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  • From this video I've determined that I live in total darkness.

  • my body clock is stuffed up, during the day till 5 o clock pm is like im still sleeping, i go training during the day and i can't function at my best.. how do i change my body clock back to normal

  • CONT'D: I guess part of it is genes. My dad and sister aren't morning people either. I wish there was a better way to make me more naturally calm at 10:30 pm, so I can get up at 7:45 and not feel drowsy at 3:00 in the afternoon

  • Lately, because I have been on hiatus from work, I awake every morning at 10:00 or 11:00 AM. I have tried the tips I've heard to synchronize your circadian rhythm to a schedule you want. I wanted to wake up every morning at 7:45. I took a melatonin tablet six hours before bedtime and it really helped. When I woke up at 7:45, I spent 20 minutes in the morning sun which helped. However, 2 days later I couldn't get out of bed until 11:00. continued...

  • nighttime sleeps

  • The Biological clock effect the awakenes and an sleep. Effects because in the lenght of day.

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