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7058 Studies found for: sleep AND sleep problems

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Map Legend
Region Name Number of Studies
World [map] 7,058
Europe 1,993
Austria 78 [studies]
Belgium 185 [studies]
Bosnia and Herzegovina 5 [studies]
Bulgaria 62 [studies]
Croatia 26 [studies]
Czech Republic 31 [studies]
Denmark 152 [studies]
Estonia 20 [studies]
Finland 81 [studies]
France 613 [studies]
Germany 383 [studies]
Greece 57 [studies]
Hungary 103 [studies]
Iceland 7 [studies]
Ireland 33 [studies]
Italy 205 [studies]
Latvia 14 [studies]
Lithuania 17 [studies]
Luxembourg 4 [studies]
Netherlands 152 [studies]
Norway 97 [studies]
Poland 155 [studies]
Portugal 38 [studies]
Romania 55 [studies]
Serbia 21 [studies]
Slovakia 54 [studies]
Slovenia 13 [studies]
Spain 349 [studies]
Sweden 174 [studies]
Switzerland 168 [studies]
United Kingdom 301 [studies]

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

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