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2145 Studies found for: sleep AND Pittsburgh Sleep Quality Index

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Map Legend
Region Name Number of Studies
World [map] 2,145
Europe 522
Austria 12 [studies]
Belgium 34 [studies]
Bulgaria 8 [studies]
Croatia 1 [studies]
Czech Republic 1 [studies]
Denmark 62 [studies]
Estonia 1 [studies]
Finland 5 [studies]
France 61 [studies]
Germany 63 [studies]
Greece 7 [studies]
Hungary 3 [studies]
Iceland 3 [studies]
Ireland 15 [studies]
Italy 38 [studies]
Lithuania 1 [studies]
Luxembourg 1 [studies]
Netherlands 27 [studies]
Norway 14 [studies]
Poland 15 [studies]
Portugal 6 [studies]
Romania 2 [studies]
Slovakia 2 [studies]
Slovenia 2 [studies]
Spain 95 [studies]
Sweden 12 [studies]
Switzerland 33 [studies]
United Kingdom 72 [studies]

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Studies with no locations are not included in the counts or on the map.

Studies with multiple locations are included in each region containing locations.