Effects of sleep deprivation on mood and central amine metabolism in depressed patients.
Nineteen patients, each hospitalized with a major depressive episode, were deprived of sleep for one night. Ten patients responded with clear improvement in depressive symptoms; the substantial clinical change was transient, usually lasting one day. Those who responded had significantly higher initial depression ratings (P less than .01) and tended to be older than nonresponders who experienced mild increases in irritability, fatigue, and discomfort following sleep deprivation. Amine metabolites, 5-hydroxyindoleacetic acid (5HIAA), and homovanillic acid (HVA) were not substantially affected by sleep deprivation, although there was a significant interaction of clinical response and direction of 3-methoxy-4-hydroxyphenylglycol (MHPG) change. Sleep deprivation thus produces acute, but only transient improvement in a selected group of severely depressed patients; it appears to be an important tool in the study of the affective disorders.[1]References
- Effects of sleep deprivation on mood and central amine metabolism in depressed patients. Post, R.M., Kotin, J., Goodwin, F.K. Arch. Gen. Psychiatry (1976) [Pubmed]
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