Older adults (3 men, 4 women, aged 55 to 68 years) with chronic sleep-maintenance insomnia were treated sequentially with relaxation therapy (RT) and then with a cognitive-behavioral therapy (CBT) specifically designed for alleviating sleep maintenance problems. Sleep diaries and an objective measure of sleep, the sleep assessment device, showed only modest improvements in measures of wake time after sleep onset, sleep efficiency, and night-to-night sleep variability following RT. However, significant improvements in these measures were observed following CBT and at a 3-month follow-up. These findings, considered in conjunction with previous reports, suggest that CBT specifically addresses factors that sustain sleep maintenance complaints. Additional trials of CBT with larger samples are warranted.

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The antidepressant and other behavioral effects of clorgyline, a preferential inhibitor of monoamine oxidase (MAO) type A, were compared with those of pargyline, a preferential inhibitor of MAO type B, in 16 depressed patients. In a subgroup of more severely depressed patients, clorgyline treatment for 4 weeks resulted in significant improvement on both observer-rated and self-rated scales, while minimal changes occurred during pargyline treatment. Similarly, in a crossover study that included 8 patients examined with multiple scales, clorgyline had generally greater antidepressant and antianxiety effects than did pargyline, although pargyline had some activating effects and also tended to produce more side effects. MAO type A inhibition may be more important than MAO type B inhibition for antidepressant efficacy.