Setting up Switch bedtime controls ensures your child doesn’t play late. Open the Parental Controls app (iOS/Android) or go to 'System Settings' > 'Parental Controls' on the console. Link your Nintendo Account if prompted, then select 'Restrictions' > 'Bedtime Alarm'. Set a start time (e.g., 9 PM) and end time (e.g., 7 AM)—during this window, the console will block gameplay. Enable 'Bedtime Reminder' to send a notification 15 minutes before bedtime, warning your child to wrap up. For added strictness, toggle on 'Block During Bedtime'—the console will pause any ongoing game when bedtime hits. Use the app to adjust times remotely, perfect for weekends or special occasions. The activity report will show if your child tried to play during bedtime, helping you enforce rules.