Question

why we are sleep at night only​

Answer 1

Why is it important to sleep at night?

Your Body on Sleep

Sleep helps control our metabolism and weight, promotes stable moods, helps prevent cardiovascular diseases, boosts our immune system/function, increases knowledge retention, and helps us with long and short-term memory. Sleep is also essential for brain functioning.

Answer 2

Answer:

because whole day your body works and after that we take rest at night