why do we have to sleep

Why Do We Have to Sleep? Uncovering the Science and Necessity of Rest

You’re lying in bed, exhausted but wondering—why do we need to sleep at all? Wouldn’t it be more efficient to stay awake and productive 24/7? You already know the answer if you’ve ever tried pulling an all-nighter. Fatigue creeps in, focus declines, and even simple tasks feel overwhelming. Over time, lack of sleep leads to…