makes it vulnerable to being knocked over if being programmed in the middle of the night or during cleaning. We plan to test two new sunrise alarm clocks. The JALL Wake-Up Light is an affordable ...

Our reviewer felt that it seemed like too much could possibly go wrong if they wanted to set up a night light sleep mode to go off when she fell asleep and a sunrise alarm clock the next morning.

We mark our days by sunlight. Humans naturally wake up in the morning and fall asleep at night because our eyes use light to help tune our bodies and our clocks. Next in our science series Finding ...