What limitations apply to the sleep score?

Three types of limitations apply to the sleep score:

• Limitations on sleep sessions included in the sleep score:

• The sleep score is limited to sleep sessions where:

  • The total sleep time is at least three hours.

  • The sleep session had sufficient classified sleep

• Regarding what constitutes a sleep session, the session starts when you fall asleep and ends when you wake up and do not sleep any further. 

• A sleep session may include short periods of wakefulness.

• If there are periods during the night where the wearable signal quality is too poor to record sleep, the entire sleep session will be excluded from the calculation of the score.

• Limitations on individuals:

• Individuals who fall outside the age range of 18 - 70 will not see a sleep score.

• Limitations on the validation and use of the sleep score:

• The app cannot be used to diagnose sleep disorders or to classify individuals as ill. We recommend that you seek professional advice if you are concerned about your sleep health.