The alarms can remind the wearer that it is time take their medication, which is particularly useful with time-sensitive medication. It could also be used to remind the wearer that they need to get up and move about, to prevent sitting for too long. Or useful to make sure that the wearer wakes up on time each day,
For children, the reminders could be going to the loo in time, or to remember that they need to focus on something, or to take their medication whilst at school. It is also very useful to remind both children and adults that they need to drink and eat.