In simple terms, DHCP determines if your IP is static or dynamic and the length of time an IP address is assigned. Dynamic Host Configuration Protocol is controlled by a DHCP server. Your router can be a DHCP server...and if you're on a home network, it most likely serves this purpose.
Researchers report that the average adolescent needs eight and a half to nine and a half hours of sleep each night. But in a poll taken in 2006 by the National Sleep Foundation, less than 20 percent reported getting that much rest on school nights.
Women should try to increase their sleep during the first trimester. Doctors at MayoClinic.com suggest adults get an average of seven to nine hours of sleep per night. Because pregnancy increases the demands on a womanâs body, especially during the first trimester, pregnant women may need more sleep.