期刊
PSYCHOPHYSIOLOGY
卷 49, 期 9, 页码 1298-1306出版社
WILEY
DOI: 10.1111/j.1469-8986.2012.01411.x
关键词
Altitude; Sleep pattern; Aspects of mood; Hypoxia; Sleep complaints; Cognitive functions
资金
- Associacao Fundo de Incentivo a Psicofarmacologia (AFIP)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Centro de Estudos Multidisciplinar em Sonolincia e Acidentes (CEMSA)
- Centros de Pesquisa, Expansao e Difusao do Instituto do Sono (CEPID/SONO)
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP)
- CEPID [98/143003-3]
- Universidade Federal de Sao Paulo (UNIFESP)
- Centro de Estudos em Psicobiologia e Exercicio (CEPE)
This work evaluated the importance of sleep on mood and cognition after 24?h of exposure to hypoxia. Ten males, aged 2330 years, were placed in a normobaric chamber simulating an altitude of 4,500?m. Sleep assessments were conducted from 22:006:00; all mood and cognitive assessments were performed 20?min after awakening. The assessments were conducted in normoxic conditions and after 24?h of hypoxia. Sleep was reevaluated 14?h after the start of exposure to hypoxic conditions, and mood state and cognitive functions were reevaluated 24?h after the start of exposure to hypoxic conditions. Hypoxia reduced total sleep time, sleep efficiency, slow-wave sleep, and rapid eye movement. Depressive mood, anger, and fatigue increased under hypoxic conditions. Vigor, attention, visual and working memory, concentration, executive functions, inhibitory control, and speed of mental processing worsened. Changes in sleep patterns can modulate mood and cognition after 24?h.
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