“My Mind Won’t Shut Off at Night”

If your body is tired but your brain refuses to slow down, you're likely dealing with a mismatch between mental activity and nervous system regulation. This kind of mental hyperarousal is often linked to elevated cortisol at night, poor sleep-wake rhythm, or overstimulation from things like screen time, caffeine, or chronic stress. Even emotional tension that hasn’t been processed during the day can cause your thoughts to spiral just when you’re trying to sleep...more.

What’s happening inside: your sympathetic nervous system (the “fight or flight” mode) may still be firing late into the evening, keeping your thoughts alert and your body tense. We reviewed the latest research to find what works best to calm the brain at night — and the most effective, natural support came from a combination of L-theanine, magnesium glycinate, and low-dose melatonin. These nutrients help shift your nervous system into the parasympathetic (“rest and digest”) state, preparing your brain for real rest...more.