The monopod has one leg instead of the standard three legs on the tripod. OTG Digital Photography is not possible without the monopod with a flexible ball head that allows the desired camera orientation needed to produce all types of photographs.
Infants sleep about 16 hours a day, while teenagers need 9 hours on average. For most adults, 7 to 8 hours a night appears to be the best amount of sleep, although some people may need as few as 5 hours or as many as 10 hours of sleep each day.
Experts generally recommend seven to nine hours a night for healthy adults. Sleep scientists say new guidelines are needed to take into account an abundance of recent research in the field and to reflect that Americans are on average sleeping less than they did in the past.