Tag: shame

hyperarousal is a common daytime symptom of insomnia

Why Are Insomniacs Prone to Hyperarousal?

My insomniac nights are rare these days—but I had one last week. Nearing bedtime, it felt like a train was running through my body with the horn at full blast.

The mechanisms underlying hyperarousal are still unknown. But according to a study recently published in the journal PNAS, it may be linked to fragmented REM sleep and unresolved emotional distress. Here’s more: