If you’re among those who regularly reach for melatonin as a holistic option to end an unhealthy sleep cycle, it’s smart to understand exactly how melatonin works.

We lost an hour of sleep every night last week because of a looming project due at the end of the workweek. Over the weekend we slept in, in an effort to recoup those precious Zzzs. Is that it? Have we paid back our sleep debt with no lasting consequences to our health? Here's what science has to say.

These science-backed sleep tips and tricks will help you wake up feeling amazing.