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.
Aim for Eight Hours of Sleep. Most adults really need about eight hours of sleep every night â not just eight hours spent in bed but eight hours actually sleeping. To accomplish this, many people need to first set this goal of eight hours in their mind and then make practical, logistic changes.