LINKA will go to sleep after a period of time to conserve battery.
To wake up your LINKA after it has gone to sleep, press the power button once.
Default Sleep Settings
When unlocked and disconnected, LINKA will sleep after 90 seconds.
When locked and disconnected, LINKA will sleep after 4 hours.
When locked and battery is below 15%, LINKA will sleep after 30 seconds.
Changing Sleep Settings (coming July 2017)
To adjust the time until LINKA sleeps, click "Sleep Settings" under the settings page of your LINKA app. You can adjust the sleep period from 1 minute up to 10 hours. When the sleep period is less, the battery life on your LINKA will increase.