Why do deserts get so cold at night?

Desert temperatures can fluctuate greatly between day and night, due to the poor heat-retaining properties of sand and a lack of humidity.

Desert Biome

Is the desert bright at night? - Quora

Why is the Sahara Desert so cold at night?

What makes the desert cold at night?, ArabiaWeather

Was ancient Egypt a desert?

Desert Precipitation, Plant, and Animal Life

Why is it cold at night in hot deserts?

How Cold Do Deserts Get At Night? - WorldAtlas

Desert Biome Ask A Biologist

Why is it cold at night in the desert? - Quora