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.
In general, the average healthy adult needs 7 to 9 hours of sleep per night. Experiments have demonstrated that the average amount of sleep needed to avoid detrimental effects on daytime function is about 8 hours and 10 minutes. It is recommended that adults beyond age 65 may need less sleep, averaging 7 to 8 hours instead. If excess time is spent in bed, insomnia will result.