March 26, 2011
The Sleep Matrix
Why do we sleep? What governs when or how long we sleep? This activity will assist you in understanding two common sleep theories, recuperation and circadian, which provide different answers to these questions. Depending on which one you support, it may change your outlook on sleep and your current sleeping habits.
Categorize each characteristic under the correct theory—recuperation or circadian—by placing an “X” in the appropriate column. Then, answer the questions that follow.
| |Recuperation |Circadian |
|Sleep restores the body to a state of | | |
|homeostasis. |X | |
|Sleep plays no role in physiological | |X |
|functioning. | | |
|We become tired when it is dark out. | |X |
|Function of sleep is to restore energy |X | |
|levels | | |
|Function of sleep is to conserve energy | |X |
|We become tired from wakefulness. |X | |
|We sleep until the body is physiologically |X