If you wake up in the middle of the night and start browsing social media or turn on the TV, you might have difficulty falling back asleep or feel groggy later on, but your sleep-wake cycle should remain intact, according to a new Northwestern University study.

Watch the July 22, 2019 full episode of “Chicago Tonight.”

The festival had been scheduled for Aug. 23-24 at Montrose Beach, where a pair of endangered piping plovers established a nest this spring. 

A moonstruck nation celebrated the 50th anniversary of Apollo 11’s “giant leap” by Neil Armstrong and Buzz Aldrin at parties, races, ball games and concerts Saturday, toasting with Tang and gobbling MoonPies.

The 4-foot, 18-pound American alligator will stay alone for 90 days to make sure he is illness-free, and then join other gators, says St. Augustine Alligator Farm Zoological Park Director John Brueggen.

A deal to have a private operator invest up to $100 million to run the Illinois International Port District, also known as the Port of Chicago, appears to be dead.

Four cops fired over an alleged cover-up. A life sentence for a former U. of I. student. A war of words between Mayor Lori Lightfoot and Cook County Board President Toni Preckwinkle. Five casino locations are unveiled. And the Cubs are red hot.

“Cats” and “Les Miserables” have both returned to Chicago this summer, and “West Side Story” is in the throes of a renaissance. Here are some brief impressions about all three musicals as experienced in their recent incarnations.

The 151-year-old zoo will continue to offer free admission for the next 30-plus years after agreeing to an extended contract with the city.

Attorneys for the former “Empire” actor continue to proclaim their client’s innocence, and say a judge’s recent decision to allow a special prosecutor to review criminal charges against the actor is a “travesty of justice.”

Pools are a popular way to beat the heat during the summer months, but a new federal report warns of the dangers they pose to children. 

Public housing officials in Chicago were planning well-being checks on residents as the heat and humidity are expected to mount to dangerous levels.

The Chicago Police Board on Thursday fired four police officers for allegedly covering up a white officer’s 2014 fatal shooting of black teenager Laquan McDonald.

It is possible to keep your garden alive when the weather shifts from extreme rain to extreme heat? The Chicago Botanic Garden’s Eliza Fournier has some tips for combatting common problems.

This weekend is the 14th annual Pitchfork Music Festival – a homegrown stage for adventurous music from around the world, including Chicago. We visit a pair of young local artists as they prepare for their Pitchfork debut.