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Sleeping in total darkness can reduce risk for heart disease, study finds

The hundreds of thousands of people studied who slept in the brightest conditions had the highest risk of developing heart failure or having a stroke.

Oct 28, 2025 (00:31)

Chicago weather: Tracking rain this weekend

Chicago weather: Tracking rain this weekend

Shooting survivor mourns boyfriend's death while fighting to keep her home

Shooting survivor mourns boyfriend's death while fighting to keep her home

Hurricane Isaias makes landfall on Gulf Coast as Category 2 storm

Hurricane Isaias makes landfall on Gulf Coast as Category 2 storm

Chicago remembers Mike Ditka, legendary Bears coach and Hall of Fame tight end

Chicago remembers Mike Ditka, legendary Bears coach and Hall of Fame tight end

School Spotlight: West Aurora High School

School Spotlight: West Aurora High School

Chicago weather: Mild Friday night

Chicago weather: Mild Friday night

4th rescued beluga whale dies at Shedd Aquarium

4th rescued beluga whale dies at Shedd Aquarium

Tire flies off northbound SUV, shatters southbound car's windshield on Edens Expressway

Tire flies off northbound SUV, shatters southbound car's windshield on Edens Expressway

Judge calls woman charged with stabbing 7-year-old on South Side "pure evil" after outburst in court

Judge calls woman charged with stabbing 7-year-old on South Side "pure evil" after outburst in court

Daughter speaks out after CTA worker stabbed to death at Damen Green Line station

Daughter speaks out after CTA worker stabbed to death at Damen Green Line station

Former Bears tight end Emery Moorehead shares more memories of Mike Ditka

Former Bears tight end Emery Moorehead shares more memories of Mike Ditka

Bears fans outside Ditka's restaurant in Oak Brook pay tribute to "Da Coach"

Bears fans outside Ditka's restaurant in Oak Brook pay tribute to "Da Coach"

Hurricane Isaias strengthens to Category 3 storm before hitting Gulf Coast

Hurricane Isaias strengthens to Category 3 storm before hitting Gulf Coast

Second powerful earthquake hits Panama hours after 7.7 magnitude quake

Second powerful earthquake hits Panama hours after 7.7 magnitude quake

Plane plunges down embankment after overshooting runway in Ecuador

Plane plunges down embankment after overshooting runway in Ecuador

Sports writer Bob Vasilopoulos reflects on Mike Ditka's life, legacy

Sports writer Bob Vasilopoulos reflects on Mike Ditka's life, legacy

Former CBS Sports anchor Rich King remembers Mike Ditka

Former CBS Sports anchor Rich King remembers Mike Ditka

Former CBS Chicago Sports anchor Ryan Baker on Mike Ditka: An "invincible character"

Former CBS Chicago Sports anchor Ryan Baker on Mike Ditka: An "invincible character"

Showers moving in Friday in Chicago

Showers moving in Friday in Chicago

Person of interest in custody in stabbing death of CTA janitor at Damen Green Line station, police s

Person of interest in custody in stabbing death of CTA janitor at Damen Green Line station, police s

Former Bears tight end Emery Moorehead shares memories of Mike Ditka

Former Bears tight end Emery Moorehead shares memories of Mike Ditka

Woman wakes up to find bullet holes in her West Loop apartment

Woman wakes up to find bullet holes in her West Loop apartment

Bears legend Mike Ditka dies

Bears legend Mike Ditka dies

School Spotlight: West Aurora High School

School Spotlight: West Aurora High School

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