What do you see? The true reason that Venus is part of this plant's name due to the dirty minds of the kooky naturalists and nuserymen (such as John & William Bartram, Peter Collinson, William Darlington, Arthur Dobbs, John Ellis, and Daniel Solander).he true reason that Venus is part of this plant's name due to the dirty minds of the kooky naturalists and nuserymen (such as John & William Bartram, Peter Collinson, William Darlington, Arthur Dobbs, John Ellis, and Daniel Solander).
Find the... show more The average time it takes a person to fall asleep 20.9 minutes. The standard deviation is 2.4 minutes. Assume the time is normally distributed.
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.