If you’re in midlife and your sleep has gone completely rogue—hello, 3 a.m. ceiling-staring session—you’re not alone. Between hot flashes, stress, and hormones that can’t seem to make up their minds, it’s no wonder most women feel like good sleep is some kind of rare luxury item. But here’s the plot twist: science just dropped another reason to strength train, and this one’s a game-changer. Ready? Your muscles are secretly talking to your brain about when it’s time to sleep.
