Nightfall
Isaac Asimov · 1941 · Short Story
Explore this on the mapTrace its ancestors and descendants live in the tree.
It vividly explored the psychological and societal impact of a unique astronomical phenomenon (perpetual daylight followed by rare night), leading to cyclical societal collapse.
What it is
On a planet with six suns, night falls only once every two thousand years, leading to societal collapse due to widespread madness. It explores the psychological impact of cosmic phenomena and the cyclical nature of civilization.