So for example, you still wake up at 4:30 in the morning ... and you've got some time to say goodbye to your kids before they go to school? It's infinitely better than sleeping in until 6:45 ...

Research shows this may be more effective at helping you feel less groggy when you start your day because it mimics natural sunrises, signaling to your brain that it’s time to wake up.

Buyers also love that it's easy to set up and simple enough for kids to operate ... to gently wake you up by gradually increasing light intensity before your set wake-up time.

A mother shared a video of her toddler falling asleep at a restaurant, only to wake up instantly at the promise of ice cream.