Yes, you can use your Pebbles at night to help you sleep.

Select a relaxation-focused breathing exercise in the Glimp app, create a comfortable environment and synchronize your breathing with the vibrations of the Pebbles. This exercise can help calm your mind and body and promote a better night's sleep. Remember to gradually unwind and use the Pebbles as part of broader sleep hygiene. If you have persistent sleep problems, consult a healthcare provider.