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1
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sleeping at night
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Western countries
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Sleeping at night is a traditional and vital time for rest and rejuvenation in Western countries, aligning with the natural sleep-wake cycle.
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10
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2
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sleeping at night
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tropical countries
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In tropical countries, sleeping at night may require managing warmer temperatures for comfort.
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2
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3
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sleeping at night
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Arctic regions
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In the Arctic regions, the extended periods of daylight and darkness make it challenging to define 'night' and lead to more flexible sleeping patterns.
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1
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4
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sleeping at night
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Northern Scandinavian countries
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In Northern Scandinavian countries, the midnight sun in summer makes sleeping at night challenging, leading to flexible sleeping patterns.
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1
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