Circadian Rhythm

MICE STUDIES IN SPACE OFFER CLUES ON BONE LOSS

Astronauts know their bodies will be tested during time spent on the International Space Station, from the 15 daily sunrises and sunsets wreaking havoc on their circadian rhythms to the lack of gravity that weakens bone density and muscle. NASA is working to counteract these otherworldly challenges to enable long-term human exploration of space. For […]

NASA RESEARCH REVEALS BIOLOGICAL CLOCK MISALIGNMENT EFFECTS ON SLEEP FOR ASTRONAUTS

Since the beginning of the space program, astronauts have dealt with the realities of spaceflight from microgravity in weak muscles and space radiation, to sleep deprivation and disorientation. Both before and during astronauts’ flights, changes in biological clocks, or circadian rhythms, contribute to sleep deficiency and increase the use of sleep-promoting medications. For most people, […]

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