Sleep tracking do not work

Hello ivette49,

Welcome to Apple Support Communities. 

We are happy to help you with sleep tracking on your Apple Watch. 

What happens when you track your sleep? 

Please try the steps here: Track your sleep with Apple Watch - Apple Support

"Set up Sleep on Apple Watch

1. Open the Sleep app  on your Apple Watch.
2. Follow the onscreen instructions.

You can also open the Health app on iPhone, tap Browse, tap Sleep, then tap Get Started (under Set Up Sleep).

Change or add a sleep schedule

1. Open the Sleep app  on your Apple Watch.
2. Tap Full Schedule, then do one of the following:

• Change a sleep schedule: Tap the current schedule.
• Add a sleep schedule: Tap Add Schedule.
• Change your sleep goal: Tap Sleep Goal, then set the amount of time you want to sleep.
• Change Wind Down time: Tap Wind Down, then set the amount of time you want the Sleep Focus to be active before bedtime.
  • The Sleep Focus turns off the watch display and turns on Do Not Disturb to reduce distractions before your scheduled bedtime.

1. Do any of the following:

• Set the days for your schedule: Tap your schedule, then tap Active On. Choose days, then tap <.
• Adjust your wake time and bedtime: Tap your schedule, tap Wake Up or Bedtime, turn the Digital Crown to set a new time, then tap .
• Set the alarm options: Tap your schedule, then turn Alarm off or on and tap Sound & Haptics to choose an alarm sound.
• Remove or cancel a sleep schedule: Tap your schedule, then tap Delete Schedule (at the bottom of the screen) to remove an existing schedule, or tap Cancel (at the top of the screen) to cancel creating a new one."

Let us know if you have further questions.

Take care.