Cubitt Jr. Manual Del Usuario página 14

5.3.7 Sleep
(1) Function introduction: The watch will display the user's sleep time
the night before. (Sleep measurement time 21:30 - 12:00 next day)
(2) Operation instructions: Swipe the main interface left and right, click
sleep to switch to the sleep interface, you can view the sleep time of
the previous day.
5.3.8 Weather
After connected with HitFit Pro, the watch will show local weather and
the updated time.