Try the modernized beta website. Learn more about the modernization effort.
Working… Menu
Open or close the search fields display
7080 Studies found for: sleep AND sleep problems

A similar map is available for all studies in

Click on the map below to show a more detailed map (when available) or search for studies (when map not available).

Map Legend
Region Name Number of Studies
World [map] 7,080
North America 3,421
Canada 484 [studies]
Alberta 102 [studies]
British Columbia 88 [studies]
Manitoba 43 [studies]
New Brunswick 18 [studies]
Newfoundland and Labrador 13 [studies]
Nova Scotia 40 [studies]
Ontario 281 [studies]
Prince Edward Island 2 [studies]
Quebec 167 [studies]
Saskatchewan 22 [studies]

Click on a [map] link to show a map of that region.

Click on a [studies] link to search within your current results for studies in that region. Use the back button to return to this list and try another region.

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.