Medical psychologist Jack D. Edinger of Duke University and his colleagues conducted a two - and - a-half-year study of 75 adults suffering from sleep maintenance insomnia in order to assess the efficacy of a form of cognitive behavioral therapy (CBT), as compared with relaxation therapy and placebo therapy. (scientificamerican.com)
Increased nocturnal activity and impaired sleep maintenance in abused children. (cyc-net.org)
But if you wake up in the middle of the night at least three times a week, and it's been going on for at least three months, you may have what's called sleep maintenance insomnia (a.k.a. the inability to stay asleep). (sleep.org)