Most people think one bad night of sleep is harmless.
You stay up late.
You wake up early.
You drink some coffee.
You feel tired for a while.
And then you assume everything will return to normal the next night.
But sleep isn’t simply “downtime.”
While you sleep, your body and brain are carrying out dozens of processes that are essential for memory, emotional regulation, metabolism, immune function and physical recovery.
And when sleep is repeatedly shortened, the effects can accumulate.
