Getting out of bed—switching from the coziness of sleep to the jarring reality of the day—can be a challenge for anyone. But, as the saying goes, there's an app for that. Or, in this case, several ...

To say "I’m not a morning person" would be an understatement. Not only is it hard for me to be useful in the first hour (or so) of being awake, but it’s hard for me to wake up. I mean, really hard.

Light impacts the ticking of our internal clock — it tells our brain to be awake, while darkness signals that it’s time to sleep. That’s why screen time before bed can interfere with your sleep. “In ...