But when older toddlers not only fight naps but also seem to have trouble sleeping at night because of them, you may want to consider waving the white flag and giving them up. (slate.com)
I had trouble sleeping at night just thinking about this series. (si.com)
I had trouble sleeping at night too: Once I would lie down, I would be up for at least another half hour, moving my legs and changing positions constantly. (health.com)