What Do I Need to Do?

For Cardiogram to be effective, a person has to wear their Apple Watch or other compatible heart rate monitor overnight.

Even when you take steps to optimize your Apple Watch’s battery life, charging during the day and wearing the Watch overnight may be inconvenient.

However, it may be an acceptable tradeoff for those concerned about getting caught up in the viral epidemic. Learn how to get more battery life from your Apple Watch here.