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Дата индексирования: Sun Apr 10 06:20:46 2016
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S.P. Korolev RSC Energia - International Space Station
Русский

NASA Experiments fulfilled by the Russian cosmonaut in the frames of the annual medical program

Experiment Sleep Monitoring


Objectives:

The end of the "Sleep" experiment with the use of actigraph and registration of sleep with annual expedition members participation.

Tasks:

    The test of hypothesis that
  • long (annual) space flight leads to sleep disturbance identified by wrist actigraph;
  • sleep duration is connected to impression of light at an inopportune time and/or insufficient intensity while transferring crew members to needed cycle of sleep and wakeful state;
  • sleep disturbances and/or biorhythms failure lead to subjective dissatisfaction of sleep and vivacity level in the day-time;
  • long (annual) space flight leads to the duration's reduction and quality loss of a sleep, and also leads to tiredness during the day according to the sleep and wakeful state log data.

Used science hardware:

  • Actiwatch Spectrum wrist actigraph;
  • sleep log.

Experiment results:

Data obtained by Actiwatch Spectrum actigraph.