Abstract:
:We investigated the effects of two low doses of interferon-alpha (IFN-alpha) on nocturnal sleep in 18 healthy men by means of polysomnographic sleep recordings. At 1900h, human recombinant IFN-alpha (1000 or 10000 U/kg body weight) or placebo was administered subcutaneously. Between 2300h and 0700h subjects were allowed to sleep. In general effects were stronger at the dose of 10000 than 1000 U/kg body weight of IFN-alpha. Although, after IFN-alpha subjects experienced increased fatigue, the cytokine impaired the quality of nocturnal sleep. The higher dose of IFN-alpha suppressed slow wave sleep (17.8 +/- 2.0% vs 25.2 +/- 2.6% following placebo, P<0.003) but increased time spent in shallow sleep (P<0.05) during the first half of sleep time. Rapid eye movement (REM) sleep latency was postponed (P<0.02) and time spent in REM sleep was significantly decreased after IFN-alpha (P<0.04). The impairing influence of IFN-alpha on sleep in humans is in contrast with findings of sleep promoting effects of this cytokine in animals. Our data suggest that endogenous IFN-alpha may be a factor responsible for alterations of sleep, e.g. in the course of viral infections.
journal_name
Cytokinejournal_title
Cytokineauthors
Späth-Schwalbe E,Lange T,Perras B,Fehm HL,Born Jdoi
10.1006/cyto.1999.0587keywords:
subject
Has Abstractpub_date
2000-05-01 00:00:00pages
518-21issue
5eissn
1043-4666issn
1096-0023pii
S1043466699905872journal_volume
12pub_type
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