“I can't sleep because my mind races”

What could be going on

Rumination and worry: Looping thoughts at bedtime fit; check whether they're worries or replays.

Generalised anxiety: Worry plus poor sleep most nights for months fits; check daytime tension.

Hyperarousal and hypoarousal: A body stuck in high activation fits; check whether you feel wired but tired.

Fast speech and little sleep: Little sleep without tiredness fits a high; check whether you feel tired.

Bipolar disorder and hypomania: If you don't feel tired and energy is high for days, check for hypomania.

Stress response and allostatic load: Stress keeps the body alert at night; check current load.

Also said as

• my thoughts won't stop at night
• I lie awake for hours thinking
• my husband can't sleep and is up all night
• insomnia and racing thoughts
• racing thoughts at bedtime
• why can't I fall asleep