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9 November 2009
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You are here: BBC > Science & Nature > Human Body & Mind > Sleep > Daily Rhythm Test

Daily Rhythm Test

Our internal body clock governs our daily or circadian rhythm - telling us when to wake up and when to feel sleepy. Circadian comes from the Latin circa, meaning about and dies, meaning day.

This test will produce a chart showing your natural sleeping and waking pattern over a 24 hour period. If you're having problems sleeping it could be your natural body clock is at odds with your routine.

1) Do you consider yourself a morning person or an evening person?
 


2) At what time of day do you feel at your best?
 


3) Considering only your own "feeling best" rhythm, if you were entirely free to plan your day - at what time would you go to bed?
 


4) Considering only your own "feeling best" rhythm, if you were entirely free to plan your day - at what time would you get up?
 






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