The Endless Friday Night Shift (One Shot)

As a ferocious storm rages outside, Emily finds herself alone on a deserted Friday night shift. But the real nightmare begins when the clock strikes each hour.
Each hour brings a new wave of terror - a sudden power outage, a chilling encounter in the back room, a horrifying attack. But the most unsettling realization dawns on Emily - with each scream and jolt of pain, she wakes up again behind the counter, the clock reset to the start of her shift.

(Created for a challenge, this story is a one-shot and will not have a continuation.)