Do you need to sleep to use tempdrop?

You wear it around your upper arm (and it may be worn in a bra as well). It needs 3 hours of sleep to determine your basal body temperature. The device uses an algorithm to find your true temperature, regardless of how many times you have gotten up or whether you had restless sleep this night.

How often does tempdrop need to be synced?

Tempdrop holds 24 hours of data, and it must be synced at least every 24 hours or you will lose previous data. After wearing it for 15 days (as of March 2020), the algorithm will kick in.

How does the tempdrop app work for fertility?

Tempdrop’s wearable sensor and accompanying charting app brings the full fertility charting solution to your smartphone. Tempdrop’s algorithm will learn your personal sleeping temperature patterns to identify cycle phases and predict ovulation using our charting app.

When do you put the tempdrop on your arm?

Tempdrop is a wearable basal body temperature thermometer that came onto the market in 2017. Rather than setting an alarm, you can simply put this thermometer on before bed. You wear it around your upper arm (and it may be worn in a bra as well).