Subject: Why do we feel sleepy at 4PM ?
Date: Mon Sep 18 06:06:35 2000
Posted by Cassian Young
Grade level: grad (non-science)
School: No school entered.
City: London State/Province: No state entered.
Area of science: Neuroscience
I'm told everyone is most sleepy at around 4AM and 4PM because of natural
circadian rhythms. Why ?
What evolutionary benefit does the 4PM low confer? Shouldnt we be working
the fields or hunting deer at this time in the afternoon?
Re: Why do we feel sleepy at 4PM ?
Current Queue |
Current Queue for Neuroscience |
Try the links in the MadSci Library for more information on Neuroscience.
MadSci Home | Information |
Random Knowledge Generator |
MadSci Archives |
Mad Library | MAD Labs |
MAD FAQs |
Ask a ? |
Join Us! |
Help Support MadSci
© 1995-2000. All rights reserved.