Blaze not receiving Gmail notifications

[Beneecha]

I have a Huawei Mate 10 Pro and a FitBit Blaze.

Notifications were working til about two days ago but then Gmail alerts stopped. I have tried all the ways to get notifications working again i.e. Logging in and out, resetting hardware, turning off Bluetooth etc.

Today, I sent an email from my Gmail account to my eldest son. He's only 4 so it is where I send pictures and funny stories so when he is older he can read all the messages. His Gmail account is linked to mine, and the notification came through on my Blaze. I have tested it twice more today and both times it worked.

I can't see that I have changed any of the settings, so does anyone have any ideas how I can get my Blaze to pick up my emails instead?

Thanks 

Moderator Edit: Updated Subject For Clarity

[RobertoME]

Hi there @Beneecha, good to see you again and my apologies for the late response. I was reading your post and it seems this is not an issue in the tracker, since you are receiving notifications from your kid's account. By the way, the idea of having an account for your son can see in the future images that you have sent, deserves a praise for the cool idea.

Back to your concern, I believe your Fitbit account is taking as primary email account, your son's Gmail address. Make sure your Gmail has your address as primary or default. 

You can also try to re-enable the notifications from the Fitbit app, since you already tried some troubleshooting steps on your own:

1. Unpair your tracker from your mobile device. You can unpair your tracker in your mobile device's Bluetooth settings. If you are unsure how to verify or change settings for your mobile device, refer to instructions provided by your device manufacturer. For most Android mobile devices, tap Settings > Bluetooth, find your tracker in the list of paired devices, and then tap Forget or Forget Device to unpair your tracker.
2. Reboot your mobile device.
3. In the Fitbit app, tap Allow notifications access and allow access to the Fitbit Notification Service, and then turn on call, text, or calendar notifications.

See you around and keep me posted how it goes.