Up to 48% 

Seniors are struggling with insomnia. Building muscle might help. Researchers looked at 24 trials with 2,045 folks 60 and over. They found strength and resistance training worked almost twice as well as just doing aerobic exercises. Turns out, mixing the two helped even less. Fun fact: People with insomnia are pretty cool. They’re up for anything.

Tags: fun, researchers, seniors, Strength, training