1. Optimize Battery Life

• Use Power Reserve Mode: Press and hold the side button, then slide the “Power Reserve” option.
• Reduce brightness and limit background app refresh in the Watch app on your iPhone.

2. Use Advanced Health Features

• Monitor heart health: Open the Heart Rate app for real-time tracking or set alerts for high/low heart rates.
• Use the ECG app (Series 4 and later) for a medical-grade heart rhythm report.
• Track blood oxygen levels with the Blood Oxygen app (Series 6 and later).
• Enable Fall Detection: Go to the Watch app on your iPhone > Emergency SOS > Fall Detection.

3. Maximize Fitness Tracking

• Set fitness goals: In the Fitness app, customize your Move, Exercise, and Stand goals.

4. Use Siri Efficiently

• Ask Siri to set timers, reminders, send texts, or get directions without touching your watch.

5. Explore Sleep Tracking

• Set a Bedtime Routine: Create wind-down shortcuts and alarms in the Health app on your iPhone.

6. Manage Notifications Smartly

• Use Focus Modes to reduce distractions during workouts, meetings, or sleep.

7. Unlock Your iPhone and Mac

• Automatically unlock your iPhone when wearing a mask (requires iOS 14.5 or later).
• Unlock your Mac while wearing your Apple Watch: Enable it under System Preferences > Security & Privacy on your Mac.

8. Control Your Smart Home

• Use the Home app to control smart home devices directly from your watch.
• Create scenes (e.g., “Good Night” or “Movie Time”) for quick access.

9. Navigate With Maps

• Get turn-by-turn navigation: Feel taps on your wrist for left/right turns.