Apple Watch screen turns off during measurement on the AURA App. How to fix this?

If your Apple Watch screen turns off during measurement then you need to set the Wake-Up screen time to 70 seconds. 

Please follow these steps:

On WatchOS 8+

1. Open the Settings app  on your Apple Watch.
2. Tap Display & Brightness, tap Wake Duration, then tap Wake for 70 Seconds.

On WatchOS 7, WatchOS 6, WatchOS 5.

1. Go to Settings → Wake Screen on your Apple Watch; 
2. Find and change On Tap setting to Wake for 70 Seconds