Journal of Sleep Research

The alteration of human sleep and circadian rhythms during spaceflight
pp. 1-8(8)
Authors: GUNDEL, A.; POLYAKOV, V.V.; ZULLEY, J.

Circadian rhythms in human performance and mood under constant conditions
pp. 9-18(10)
Authors: MONK, TIMOTHY; BUYSSE, DANIEL; REYNOLDS III, CHARLES; BERGA, SARAH; JARRETT, DAVID; BEGLEY, AMY; KUPFER, DAVID

Seasonal covariation of the circadian phases of rectal temperature and slow wave sleep onset
pp. 19-25(7)
Authors: VAN DONGEN, HANS; KERKHOF, GERARD; KLÖPPEL, HEINZ-BERND

Combination of bright light and caffeine as a countermeasure for impaired alertness and performance during extended sleep deprivation
pp. 26-35(10)
Authors: WRIGHT JR., KENNETH; BADIA, PIETRO; MYERS, BRYAN; PLENZLER, STEVEN

Sleep during arousal episodes as a function of prior torpor duration in hibernating European ground squirrels
pp. 36-43(8)
Authors: STRIJKSTRA, ARJEN; DAAN, SERGE

Poor sleep in adolescents: A study of 869 17-year-old Italian secondary school students
pp. 44-49(6)
Authors: MANNI, R.; RATTI, M. T.; MARCHIONI, E.; CASTELNOVO, G.; MURELLI, R.; SARTORI, I.; GALIMBERTI, C. A.; TARTARA, A.

Correlates of sleep problems among men: The Vietnam Era Twin Registry
pp. 50-56(7)
Authors: FABSITZ, RICHARD; SHOLINSKY, PHYLISS; GOLDBERG, JACK

Letter to the Editor
pp. 57-58(2)

Referees - an appreciation
pp. 59-59(1)