Space travel and associated isolation impacts: #### Sleep - Internal biological clocks (or circadian rhythm) can be altered by: - light and dark cycles - small and noisey environments - stress of prolonged islation - **37 minute extended day **on Mars #### Morale and motivation - away from loved ones - reduced stimulation #### Mental health - restrictive spaces and limited contact with people outside space can result in behavioural conditions and psychiatric disorders #### Solutions - **actigraphy** to assess and improve sleep by recording how much people move and assessing levels of ambient light - LED lights to align astronauts circadian rhythms and improving sleep - virtual reality to simulate relaxing enviornments - space gardens, providing health benefits, a fresh food source and air purification [[Space Living]] #spacesurvival #pn