Altered Sleep Spindles and Slow Waves During Space Shuttle Missions

Details

• Personal Author:
  Barger LK ; Czeisler, Charles A. ; Dijk D-J ; Flynn-Evans EE ; Kasanin V ; Koller DP ; Sullivan JP
• Description:
  Sleep deficiencies and associated performance decrements are common among astronauts during spaceflight missions. Previously, sleep in space was analyzed with a focus on global measures while the intricate structure of sleep oscillations remains largely unexplored. This study extends previous findings by analyzing how spaceflight affects characteristics of sleep spindles and slow waves, two sleep oscillations associated with sleep quality and quantity, in four astronauts before, during and after two Space Shuttle missions. Analysis of these oscillations revealed significantly increased fast spindle density, elevated slow spindle frequency, and decreased slow wave amplitude in space compared to on Earth. These results reflect sleep characteristics during spaceflight on a finer electrophysiological scale and provide an opportunity for further research on sleep in space. [Description provided by NIOSH]
• Subjects:
  Circadian Rhythm Fatigue Nervous System Occupational Health Safety Sleep Sleep Initiation And Maintenance Disorders
• Keywords:
  Astronauts Brain Electrical Activity Circadian Rhythms Cognitive Function Sleep Deprivation Space Physiology
• ISSN:
  2373-8065
• Document Type:
  Text
• Funding:
  Grant
• Genre:
  Journal Article
• Place as Subject:
  California ; Massachusetts ; OSHA Region 1 ; OSHA Region 9
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  48
• Volume:
  7
• NIOSHTIC Number:
  nn:20069060
• Citation:
  NPJ Microgravity 2021 Nov; 7:48
• Contact Point Address:
  Dominik P. Koller, Advanced Concepts Team, European Space Agency, ESTEC, Noordwijk, The Netherlands
• Email:
  dominik.koller@charite.de
• Federal Fiscal Year:
  2022
• Performing Organization:
  Brigham and Women's Hospital, Boston, Massachusetts
• Peer Reviewed:
  True
• Start Date:
  20190901
• Source Full Name:
  NPJ Microgravity
• End Date:
  20230831
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:c20b904d73408f69517bf73233e43c0c0bff8cbc14b69d1b0da595739f3abe29c34cc284cedf814feada2f2057bb6f18ac0cdc76c2862c6d120656719ef39305
• Download URL:
  https://stacks.cdc.gov/view/cdc/207609/cdc_207609_DS1.pdf
• File Type:
  [PDF - 1.04 MB ]