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7101 Studies found for: sleep AND sleep problems

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Map Legend
Region Name Number of Studies
World [map] 7,101
North America 3,427
United States 3,104 [studies]
Alabama 258 [studies]
Alaska 6 [studies]
Arizona 306 [studies]
Arkansas 150 [studies]
California 854 [studies]
Colorado 272 [studies]
Connecticut 181 [studies]
Delaware 20 [studies]
District of Columbia 75 [studies]
Florida 537 [studies]
Georgia 395 [studies]
Hawaii 34 [studies]
Idaho 64 [studies]
Illinois 403 [studies]
Indiana 215 [studies]
Iowa 71 [studies]
Kansas 222 [studies]
Kentucky 188 [studies]
Louisiana 163 [studies]
Maine 21 [studies]
Maryland 381 [studies]
Massachusetts 432 [studies]
Michigan 339 [studies]
Minnesota 185 [studies]
Mississippi 64 [studies]
Missouri 314 [studies]
Montana 43 [studies]
Nebraska 119 [studies]
Nevada 138 [studies]
New Hampshire 42 [studies]
New Jersey 206 [studies]
New Mexico 76 [studies]
New York 567 [studies]
North Carolina 427 [studies]
North Dakota 53 [studies]
Ohio 498 [studies]
Oklahoma 179 [studies]
Oregon 199 [studies]
Pennsylvania 526 [studies]
Rhode Island 91 [studies]
South Carolina 294 [studies]
South Dakota 29 [studies]
Tennessee 244 [studies]
Texas 580 [studies]
Utah 171 [studies]
Vermont 35 [studies]
Virginia 227 [studies]
Washington 295 [studies]
West Virginia 43 [studies]
Wisconsin 155 [studies]
Wyoming 5 [studies]

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