To put R2-D2 to sleep, simply close and force quit the Star Wars Droids App. Note: to put R2-D2 into sleep mode, the app needs to be completely closed, and not running in the background.
R2-D2 will also enter sleep mode after remaining idle for 5 minutes.
To put R2-D2 into deep sleep, navigate to the setting page in the application and tap the “Sleep” button. This sleep mode is best for storing your Droid for long periods of time without use.
Follow the link for more details on waking R2-D2 up and putting him to sleep.
If you have any questions or concerns, please follow the link to open a new support ticket.
Or feel free to contact us at your convenience: