I take daytime naps lasting two or more hours.

I go to bed at different times from day to day.

I get out of bed at different times from day to day.

I do something that may wake up before bedtime (for example: play video games, use the internet, or clean).

I use my bed for things other than sleeping or sex (for example: watch television, read, eat, or study).

I sleep on an uncomfortable bed (for example: poor mattress or pillow, too much or not enough blankets).

I sleep in an uncomfortable bedroom (for example: too bright, too stuffy, too hot, too cold, or too noisy).

I do important work before bedtime (for example: pay bills, schedule, or study).

I think, plan, or worry when I am in bed.