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.
Sleep problems are common in the elderly. In general, the amount of sleep needed stays constant throughout the adult years. Doctors recommend that adults get 7 to 8 hours of sleep each night. In older adults, sleep is less deep and choppier than sleep in younger people. A healthy 70-year-old may wake up several times during the night without it being due to disease. Some causes or contributors to sleep disturbances in older adults include: 1  Alzheimer disease. 2  Alcohol.  Changes in the body's natural internal clock, causing some people to fall asleep earlier in the evening)