Some nights I sleep with the light on. My husband is very understanding about this (and sleeps very soundly!). Whenever I have a nightmare I go sleep in the livingroom. There is a large fish tank that has a small light on all of the time. Like a big night light for me. Whenever my husband goes out of town for work, I either sleep with the light on or I wake up and I've turned it on without knowing it.

When my stress is high, then the lights tend to stay on or I seek them out. It's gotten better for me from dealing with traumas and learning to live with PTSD. I've yet to figure out how to sleep well when my hubby's not there. That makes everything worse for me at night.

Lisa