The Fitbit Community is a gathering place for real people who wish to exchange ideas, solutions, tips, techniques, and insight about the Fitbit products and services they love. By joining our Community, you agree to uphold these guidelines, so please take a moment to look them over.
@ghada2k there is a Help article here that tells how to troubleshoot notifications. The steps there are a good place to start. Let me know how it goes. Could you also please tell me which Fitbit device you have?