Research on sleep patterns indicates that

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Research has shown that sleep patterns are influenced by both genetics and culture. For example, some cultures may have a tradition of taking midday naps while others do not. Additionally, genetics play a role in determining individual differences in sleep patterns, such as whether someone is a morning or evening person. Older adults and newborns actually have quite different sleep patterns, with older adults often experiencing more fragmented sleep and less time spent in deep sleep. The idea that everyone needs a minimum of 8 hours of sleep per night is a commonly held belief, but the actual amount of sleep needed can vary greatly from person to person. The relationship between sleep patterns and dream content is a topic of ongoing research and debate, but it is generally thought that different stages of sleep are associated with different types of dreams.

Research on Sleep Patterns Indicates That