Do I need to keep my app running in the background when I have a timer running? February 26, 2022 01:12 Updated No, you can close your app and it does not need to be running in the background. Related articles Do I need to track every night waking? If my child nurses throughout the night but isn’t fully awake, do I count those periods as night wakings? How many days of sleep should I track for analysis? Do I count the start of a sleep session when I put my child down to sleep, or when he actually falls asleep? How do I share my account with my husband/wife/partner or another caregiver?