The grandparents post is an alarm clock. The blue light things you use during early morning like with breakfast to prevent SAD. I found the alarm clock to be am

The grandparents post is an alarm clock. The blue light things you use during early morning like with breakfast to prevent SAD. I found the alarm clock to be amazing for about a week and then not much different than other alarms after I adjusted to it. That said I still prefer it to other alarms.